Английская Википедия:Comparison of the AK-47 and M16

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Шаблон:Short description Шаблон:Use American English Шаблон:Infobox3cols

The two most common assault rifles in the world are the Soviet AK-47 and the American M16.[1][2] These Cold War-era rifles have been used in conflicts both large and small since the 1960s. They are used by military, police, security forces, revolutionaries, terrorists, criminals and civilians alike and will most likely continue to be used for decades to come.[3][4] As a result, they have been the subject of countless comparisons and endless debate.[5][6][7]

The AK-47 was finalized, adopted and entered widespread service in the Soviet Army in the early 1950s.[8] Its firepower, ease of use, low production costs, and reliability were perfectly suited for the Soviet Army's new mobile warfare doctrines. More AK-type weapons have been produced than all other assault rifles combined.[9] In 1974, the Soviets began replacing their AK-47 and AKM rifles with a newer design, the AK-74, which uses 5.45×39mm ammunition.

The M16 entered U.S. service in the mid-1960s.[10] Despite its early failures, the M16 proved to be a revolutionary design and stands as the longest continuously serving rifle in American military history.[11] The U.S. military has largely replaced the M16 in combat units with a shorter and lighter version called the M4 carbine.[12][13]

History

Sturmgewehr 44

Файл:MP44.jpg
The German Sturmgewehr 44

The Germans were the first to pioneer the assault rifle concept during World War II, based upon research that showed that most firefights happen within 400 meters and that contemporary rifles were overpowered for most small arms combat.[14][15][16][17][18][19] They would soon develop a select-fire, intermediate powered rifle, combining the firepower of a submachine gun with the range and accuracy of a rifle.[14][15][16][17][18][19]

The result was the Sturmgewehr 44, which the Germans produced in large numbers; approximately half a million were made.[14][16][17][18][19] It fired a new and revolutionary intermediate powered cartridge, the 7.92×33mm Kurz.[14][16][17][18][19][15] This new cartridge was developed by shortening the standard 7.92×57mm Mauser round and giving it a lighter 125-grain bullet that limited range but allowed for more controllable automatic fire.[14][16][17][18][19][15] The smaller, lighter cartridge also allowed soldiers to carry more ammunition "to support the higher consumption rate of automatic fire."[14][15]

The Sturmgewehr 44 features an inexpensive, easy-to-make, stamped steel design and a 30-round detachable box magazine.[20] "This weapon was the prototype of all successful automatic rifles. Characteristically (and unlike previous rifles and the M-14) it had a straight stock with the barrel under the gas cylinder to reduce the turning moment of recoil of the rifle in the shoulder and thus help reduce the tendency of shots to climb in automatic fire. The barrel and overall length were shorter than a traditional rifle and it had a pistol grip to hold the weapon more securely in automatic fire. The principle of this weapon — the reduction of muzzle impulse to get usable automatic fire within the actual ranges of combat — was probably the most important advance in small arms since the invention of smokeless powder."[15]

Файл:AK-47 type II noBG.png
An AK-47 with machined receiver

AK-47

Like the Germans, the Soviets were influenced by experience showing most combat happens within 400 meters and that their soldiers were consistently outgunned by heavily armed German troops, especially those armed with the Sturmgewehr 44 assault rifles.[8][21][22][23][24][15] On July 15, 1943, a Sturmgewehr was demonstrated before the People's Commissariat of Arms of the USSR.[25] The Soviets were so impressed with the Sturmgewehr, that they immediately set about developing an intermediate caliber automatic rifle of their own, to replace the PPSh-41 submachine guns and badly outdated Mosin–Nagant bolt-action rifles that armed most of the Soviet Army.[14][23][25][26][27][28][15] The Soviets soon developed the 7.62×39mm M43 cartridge, the semi-automatic SKS carbine and the RPD light machine gun.[29] Shortly after World War II, the Soviets developed the AK-47 assault rifle, which would quickly replace the SKS in Soviet service.[30][31] The AK-47 was finalized, adopted and entered widespread service in the Soviet army in the early 1950s.[8] Its firepower, ease of use, low production costs, and reliability were perfectly suited for the Red Army's new mobile warfare doctrines.[8] In the 1960s, the Soviets introduced the RPK light machine gun, itself an AK-47 type weapon with a bi-pod, a stronger receiver, and a longer, heavier barrel that would eventually replace the RPD light machine gun.[29]

Файл:Type 56-2 noBG.png
Chinese Type 56-2, folding stock variant

The AK-47 was widely supplied or sold to nations allied with the USSR, and the blueprints were shared with several friendly nations (the People's Republic of China standing out among these with the Type 56).[8] As a result, more AK-type weapons have been produced than all other assault rifles combined.[9] "Of the estimated 500 million firearms worldwide, approximately 100 million belong to the Kalashnikov family, three-quarters of which are AK-47s."[9]

M14 rifle

On the other hand, the U.S. Army was influenced by combat experience with semi-automatic weapons such as the M1 Garand and M1 Carbine, which enjoyed a significant advantage over enemies armed primarily with bolt-action rifles.[32] Although U.S. Army studies of World War II combat accounts had very similar results to that of the Germans and Soviets, the U.S. Army failed to recognize the importance of the assault rifle concept,[15] and instead maintained its traditional views and preference for high-powered semi-automatic rifles.[14][15][19][33] At the time, the U.S. Army believed that the Sturmgewehr 44 was "intended in a general way to serve the same purpose as the U.S. carbine" and was in many ways inferior to the M1 carbine,[17] and was of "little importance".[15]

After World War II, the United States military started looking for a single automatic rifle to replace the M1 Garand, M1/M2 Carbines, M1918 Browning Automatic Rifle, M3 "Grease Gun" and Thompson submachine gun.[19][34] However, early experiments with select-fire versions of the M1 Garand proved disappointing.[35] During the Korean War, the select-fire M2 Carbine largely replaced the submachine gun in US service[36] and became the most widely used Carbine variant.[37] However, combat experience suggested that the .30 Carbine round was under-powered.[38] American weapons designers reached the same conclusion as the Germans and Soviets: an intermediate round was necessary, and recommended a small-caliber, high-velocity cartridge.[14][39]

Файл:Garandcar.jpg
M1 Garand and M1 carbine

However, senior American commanders–having experienced major logistical problems during WWII and the Korean War–insisted that a single, powerful .30 caliber cartridge be developed, capable of being used by both the new automatic rifle and the new general-purpose machine gun (GPMG) in concurrent development.[40][41][42][43][44][45][46] This culminated in the development of the 7.62×51mm NATO cartridge.[45]

The United States Army then began testing several rifles to replace the obsolete M1 Garand. Springfield Armory's T44E4 and heavier T44E5 were essentially updated versions of the Garand chambered for the new 7.62 mm round, while Fabrique Nationale submitted their FN FAL as the T48. ArmaLite entered the competition late, hurriedly submitting several AR-10 prototype rifles in the fall of 1956 to the United States Army's Springfield Armory for testing.[47]

Файл:AR-10 in the National Firearms Museum.jpg
AR-10 rifle

The AR-10 featured an innovative straight-line barrel/stock design, forged aluminum alloy receivers and with phenolic composite stocks.[48] It had rugged elevated sights, an oversized aluminum[49] flash suppressor and recoil compensator, and an adjustable gas system.[50] The final prototype, featured an upper and lower receiver with the now-familiar hinge and takedown pins, and the charging handle was on top of the receiver placed inside of the carry handle.[47] For a 7.62mm NATO rifle, the AR-10 was incredibly lightweight at only 6.85 lbs. empty.[47] Initial comments by Springfield Armory test staff were favorable, and some testers commented that the AR-10 was the best lightweight automatic rifle ever tested by the Armory.[51][52]

Файл:M14 Stand-off Munitions Disruptor (SMUD) (7414626342).jpg
M14 rifle

In the end, the United States Army chose the T44, now called the M14 rifle[45]–an improved M1 Garand with a 20-round magazine and automatic fire capability.[53][54][55] The U.S. also adopted the M60 general purpose machine gun (GPMG).[45] Its NATO partners adopted the FN FAL and HK G3 rifles, as well as the FN MAG and Rheinmetall MG3 GPMGs.

M16 rifle

The first confrontations between the AK-47 and the M14 came in the early part of the Vietnam War. Battlefield reports indicated that the M14 was uncontrollable in full-auto and that soldiers could not carry enough ammo to maintain fire superiority over the AK-47.[14][53][56] And, while the M2 Carbine offered a high rate of fire, it was under-powered and ultimately outclassed by the AK-47.[57] A replacement was needed: A medium between the traditional preference for high-powered rifles such as the M14, and the lightweight firepower of the M2 Carbine.

As a result, the Army was forced to reconsider a 1957 request by General Willard G. Wyman, commander of the U.S. Continental Army Command (CONARC) to develop a .223 caliber (5.56 mm) select-fire rifle weighing 6 lbs (2.7 kg) when loaded with a 20-round magazine.[19] The 5.56mm round had to penetrate a standard U.S. helmet at 500 yards (460 meters) and retain a velocity in excess of the speed of sound, while matching or exceeding the wounding ability of the .30 Carbine cartridge.[58]

Файл:ArmaLite AR-15 SPAR 3240 DEC. 17. 2004.png
ArmaLite AR-15 with 25-round magazine
Файл:Sam16a1.jpg
An M16A1 with 30-round magazine

This request ultimately resulted in the development of a scaled-down version of the Armalite AR-10, called ArmaLite AR-15 rifle.[11][14][59][60] However, despite overwhelming evidence that the AR-15 could bring more firepower to bear than the M14, the Army opposed the adoption of the new rifle.[11][14][53] In January 1963, Secretary of Defense Robert McNamara concluded that the AR-15 was the superior weapon system and ordered a halt to M14 production.[11][53] At the time, the AR-15 was the only rifle available that could fulfill the requirement of a universal infantry weapon for issue to all services.

After modifications (most notably, the charging handle was re-located from under the carrying handle like AR-10 to the rear of the receiver),[59] the new redesigned rifle was subsequently adopted as the M16 Rifle.[10][11][14][53] "(The M16) was much lighter compared to the M14 it replaced, ultimately allowing Soldiers to carry more ammunition. The air-cooled, gas-operated, magazine-fed assault rifle was made of steel, aluminum alloy and composite plastics, truly cutting-edge for the time. Designed with full and semi-automatic capabilities, the weapon initially did not respond well to wet and dirty conditions, sometimes even jamming in combat. After a few minor modifications, the weapon gained in popularity among troops on the battlefield."[53][61][62]

Despite its early failures the M16 proved to be a revolutionary design and stands as the longest continuously serving rifle in American military history.[10][11] It has been adopted by many U.S. allies and the 5.56×45mm NATO cartridge has become not only the NATO standard, but "the standard assault-rifle cartridge in much of the world."[11][63][64] It also led to the development of small-caliber high-velocity service rifles by every major army in the world, including the USSR and People's Republic of China.[11] It has been called a benchmark against which other assault rifles are judged.[11][65][66]

Manufacturing philosophies

M16

Шаблон:Main

Файл:AKMS and M16 DM-SN-82-07698.jpg
A U.S. M16A1 rifle (top) is compared to a Soviet AKMS rifle.

Although the M16 is more accurate than the AK-47 and has a higher rate of fire, it is not more reliable. It has been said that there were numerous reports of soldiers found dead next to disassembled M16. This was largely due to the firing pin being locked forward.

The M16 is a select-fire, 5.56×45mm, air-cooled, internal-piston gas-operated, magazine-fed rifle, with a rotating bolt and straight-line recoil design. Above all else, the M16 was designed to be a lightweight assault rifle, and to fire a new lightweight, high velocity small caliber cartridge to allow the soldier to carry more ammunition.[11] It was designed to be manufactured with the extensive use of aluminium and synthetic materials by state of the art Computer Numerical Control (CNC) automated machinery.[11] The M16 is a Modular Weapon System, easily configured as an assault rifle, a carbine, a submachine gun and an open-bolt squad automatic weapon.[67] It is easy to assemble, modify and repair using a few simple hand tools, and a flat surface to work on.

At peak production, Colt's manufacturing capacity was approximately 333,000 units per year.[68] The M16 continues to benefit from every advance in the CNC field,[69] which allows more and more small manufacturers to mass-produce M16s and semi-automatic AR-15 type rifles.[70][71][72][notes 1] The M16's aluminum lower receivers may be forged or cast.[73] Their receivers may also be made from titanium and a variety of other metallic alloys,[74][75][76] composites[77] or polymers.[78] If necessary, the M16 can be machined from a billet of steel[79] and fitted with wooden furniture.[80][81] The M16's internal components such as the bolt carrier group and charging handle may also be made of titanium.[82][83] The M16's aluminum receiver and other parts may even be 3D printed, allowing "people with no gunsmith training to assemble a working assault rifle at home".[84][85] This makes the M16 ideal for market economy production, spread among many small manufacturers around the country, using a variety of materials and manufacturing methods; this ensures it would be nearly impossible to disrupt U.S. M16 rifle production in the case of a major conflict.

As of 2015, the United States military buys M4 Carbines for $647 (USD) per unit.[86] Approximately 8 million M16 type rifles have been made worldwide.[87]

AK-47

Шаблон:Main

Файл:AK-47 and M16 DM-SN-82-07699.JPEG
A U.S. M16A1 rifle (top) is compared to a Soviet AKMS rifle. The two rifles are disassembled into groups.

In addition to having a larger caliber and jamming less, it is cheaper than the M16. The price of an AK-47 in Somalia is equal to what would be $400 in the U.S. One standard 30-round magazine is 9 to 15 cents, and it is selective-fire, permitted to civilians. Having inspired a "Kalashnikov culture" throughout Africa, a man is not considered masculine if he does not own an AK-47.

The AK-47 is a select-fire, 7.62×39mm, air-cooled, long-stroke-piston gas-operated, magazine-fed rifle, with a rotating bolt. It was designed to be a simple, reliable automatic rifle that could be manufactured quickly and cheaply, using mass production methods that were state of the art in the Soviet Union during the late 1940s. The AK-47's barrel and bolt were milled out of a steel billet and hard chromed. Its receiver was originally designed to be stamped from sheet metal with a milled trunnion insert. However, there were many difficulties during the initial phase of production causing high rejection rates due to faulty receivers.[88] Instead of halting production, a heavy forged steel machined receiver was substituted for the sheet metal receiver.[88][89] This was a more costly and time consuming process, but advanced the program's development and accelerated production.[88][89] The AK's furniture was simply made out of wood, which was a non-strategic material, and perfectly fits the Soviet manufacturing philosophy, where large manufacturing plants produce basic weapons in very large quantities.

In 1959, the sheet metal stamping process was perfected, simplifying production and reducing the weight of the rifle from Шаблон:Convert to Шаблон:Convert without magazine.[90] Most of the AK type rifles in use today are of this lighter stamped-steel AKM variety. Over time, AK production has been simplified through the use of rivets,[91] spot welding and by further reducing the number of machined parts.[92]

Current model AK's are made using modern manufacturing processes and have many component parts produced by investment casting.[92] This method gives a detailed and accurate product with excellent metallurgical properties.[92] They come in 7.62×39mm (AK-103), 5.45×39mm (AK-74M) and 5.56×45mm (AK-101),[93] with cold hammer forged barrels.[92] They are also made with the use of synthetic/plastic furniture, such as folding stocks, handguards and pistol-grips.[92]

At peak production, Kalashnikov Concern (formerly Izhmash)[94] can produce around 95 units per hour (about 832,000 units per year).[95] Because of its stamped-steel design it is not possible to manufacture the AK-47 series efficiently in small plants, due to the large amount of metal stamping equipment needed for mass production. However, the milled-steel AK-47 has spawned a cottage industry of sorts and has been copied and manufactured (one gun at a time) in small shops around the world.[96][97]

As of 2014, Kalashnikov Concern[94] sells the AK-103 at a government price of $150 to $160 (USD) per unit.[98][99] There are places around the world where an AK-47 type rifle can be purchased on the Black Market "for as little as $6, or traded for a chicken or a sack of grain."[100][101][102] Approximately 100 million AK-47 type rifles have been made worldwide.[103][104]

Comparison of characteristics

Size and weight

AK-47 M16A1 AKM Шаблон:Efn M16A2 Шаблон:Efn AK-103 M4
Barrel length Шаблон:Convert Шаблон:Convert Шаблон:Convert Шаблон:Convert Шаблон:Convert Шаблон:Convert
Overall length Шаблон:Convert Шаблон:Convert Шаблон:Convert Шаблон:Convert[105] Шаблон:Convert Шаблон:Convert
Length with
shortened stock 		N/A N/A N/A N/A Шаблон:Convert
side-folding
stock 		Шаблон:Convert
telescoping stock
Weight of rifle with
loaded magazine Шаблон:Efn 		Шаблон:Convert[106][5] Шаблон:Convert[107] Шаблон:Convert[108] Шаблон:Convert[105] Шаблон:Convert[109] Шаблон:Convert[110]
Weight of loaded
30-round magazine 		slab-sided steel
magazine
Шаблон:Convert.[5][108][111] 		aluminum
magazine
Шаблон:Convert[110] 		stamped-steel
magazine
Шаблон:Convert[111] 		aluminum
magazine
Шаблон:Convert[110] 		steel-reinforced
plastic magazine
Шаблон:Convert[109] 		aluminum
magazine
Шаблон:Convert[110]

Шаблон:Notelist

Ergonomics

"The AR-15 made use of high-impact fiberlite stocks, pistol grips and handguards. A selector lever on the left side of the rifle could be manipulated with the shooter’s right thumb without removing the hand from the pistol grip. The magazine release, on the right side of the receiver, could be operated with the trigger finger; when pressed, the magazine would drop free.

A fresh magazine, requiring no camming — or ‘rocking’ — could be inserted straight into the magazine well. This attribute contributed significantly to speedy reloading in combat situations compared to the AK-47/AKM. These are two of the main reasons why the AR-15/M16-series rifles are considered the finest human-engineered assault rifles in the world.

A bolt catch mechanism is located on the left side of the rifle. When the last round was fired, the magazine follower would elevate the bolt catch and lock the bolt to the rear. After inserting a full magazine, the rifleman would push in on the upper portion of the bolt catch to release the bolt and load the rifle. The receivers, produced from 7075 T6 aircraft aluminum, which helps keep the rifle lightweight and dissipates heat better than conventional metals, are hard-anodized with a non-reflective matte gray weather-resistant finish."Both weapons were then subjected to a "limited" endurance test by firing six magazines as fast as they could be loaded into the weapon; this was to mimic what would be the worst-case patrol usage. As expected, neither weapon exhibited any problems, feeding and firing every round without issue. It was, however, during this portion of the test that one of the AR system’s true advantages came into sharp focus—superior ergonomics.

The AR-15 is without a doubt one of the most ergonomic weapon designs to ever be fielded in large numbers. During the six magazine endurance test, which admittedly was not a true endurance test but rather a proof of ability test, all evaluators found that it was much easier to change magazines and get the weapon back into action quickly with the AR-15 design than with the AK-47 design.

This enhanced performance was due to several factors, not the least of which is the ability to simply insert the magazine into the AR in a conventional manner rather than the "rock and lock" method required with the AK platform. Also noted here was ability of the AR users to leave their strong hand on the weapon and in control while performing magazine changes and charging the weapon. Users of the AK found that while some people are capable of doing so, this was a much more cumbersome operation with this platform than with the AR design.

Also in the realm of ergonomics is the placement of the manual safety. With the AR, this is a very well designed lever located on the left side of the weapon that is capable of being manipulated with the thumb of the strong hand while still retaining a grip on the weapon. With the AK—on most variants—the safety is a large lever on the right side of the weapon that is not at all easy to manipulate. With most people, the strong hand must come completely out of the firing grip to either apply or disengage the safety.

Both weapon designs have been thoroughly tested in every climate on the planet and have proven themselves in combat for the past three and a half decades—so further, "endurance" testing would be pointless. What this test did is allow for the weapons to get extremely hot and provided for the operators to judge the now-hot weapon based on how well they could use it without gloved hands. In each case, both weapons were judged to be very usable but the AR clearly got the nod as the most desirable weapon. This again was due to the ergonomic placement of controls, which keeps the hands away from any part of the weapon that is susceptible to heat transfer."[112][113] It is much easier and faster to change magazines and get the M16 back into action than with the AK-47.[114][112][115] This is due to several factors, such as perfectly located magazine release and bolt release buttons, a flared magazine well for fast magazine insertions, and the ability to simply insert the magazine into the M16 in a conventional manner, rather than the "rock and lock" method required with the AK-47.[114][112][116] In addition, it is easier for an M16 user to keep the strong hand on the pistol-grip and sights on target while performing magazine changes than with the AK-47.[114]

The M16 has a well designed safety lever located on the left side of the weapon that is easily manipulated by the user's thumb while maintaining a strong hold on the pistol-grip.[114][112][113] With the AK-47 the safety is a large lever on the right side of the weapon that is not at all easy to manipulate.[114][112][113] "It is slow, uncomfortable and sometimes stiff to operate."[117] For most users, the hand must come off the pistol-grip to either apply or disengage the safety.[114][113] It also makes a "loud and distinctive click" when used.[117] While the fire selector "is considered by many as the main drawback of the whole AK design",[117] its most frequently criticized feature is its trigger mechanism.[115] "The Kalashnikov trigger system, conceptually derived from that of the U.S. .30 M1 Garand rifle, is all too often plagued with an objectionable, and sometimes quite painful, "trigger slap" and a creepy and unpredictable trigger pull."[115]

M16 AK-47
Carrying handle
The M16's most distinctive ergonomic feature is the carrying handle and rear sight assembly on top of the receiver.[118] Current issue M16A4s and M4s have detachable carrying handles and use Picatinny rails which allow for the use of various scopes and sighting devices.[119] The AK-47 does not have a carrying-handle.
Fire selector
The fire selector is located on the left side of the rifle just above the pistol grip and is rotated by the shooter's right thumb. When the selector points forward = safe, up = semi-auto and backward = full-auto or burst. To use, the selector is rotated 90 degrees clockwise (down and forward) into the semi-auto position and then rotated an additional 90 degrees clockwise (forward and up) into the full-auto or burst position. To return to safe the selector is then rotated 180 degrees counter-clockwise (down, backward and up). Some M16 type rifles also have an ambidextrous fire selector on the right side of the receiver, designed to be operated by a left-handed shooter's thumb. This selector mirrors its opposite and functions as describe above. The fire selector is a large lever located on the right side of the rifle; it acts as a dust-cover and prevents the charging handle from being pulled fully to the rear when it is on safe. It is operated by the shooter's right fore-fingers and it has 3 settings: up = safe, center = full-auto and down = semi-auto. The reason for this is that, when under stress, a soldier will push the selector lever down with considerable force bypassing the full-auto stage and setting the rifle to semi-auto. To set the AK-47 to full-auto requires the deliberate action of centering the selector lever.[120] Some AK-47 type rifles also have a small vertical selector lever on the left side of the receiver just above the pistol grip.[120] This lever is operated by the shooter's right thumb and has three settings: forward = safe, center = full-auto and backwards = semi-auto.[120]
Charging handle
The charging handle is located on top of the receiver, below and to the rear of the rear sight/carrying handle. To chamber, simply insert a loaded magazine straight into the magazine well, then pull the cocking handle back and release. The charging handle does not reciprocate while firing. The charging handle is located on the right side of the receiver. To chamber, simply rock a loaded magazine into the magazine well in a forward to back motion, then pull the cocking handle back and release. The charging handle reciprocates (moves back and forth) while firing.
Magazine release
The magazine release is a push button, located on the right side of the receiver in front of the trigger. To reload, the magazine release is pushed in, the empty magazine falls out and a loaded magazine is then inserted straight into the magazine well. The magazine release is a lever located directly in front of and just below the trigger guard. To reload push the magazine release lever forward, the empty magazine is removed and a loaded magazine is then rocked into the opening at the bottom of the receiver in a forward to back motion.
Bolt-stop/release
The bolt-stop/release is located on the left side of the receiver and the bolt-carrier-assembly locks back after the last shot. After reloading, the bolt-stop is pushed, the bolt-carrier-assembly is released, and the rifle is chambered and ready to fire. Also, leaving the bolt open for as long as possible aids in cooling and prevent cartridges from "cooking off."[121] Does not have a bolt-stop/release and does not lock back on the last shot. After reloading, simply pull back and release the charging handle, and the rifle is chambered and ready to fire.
Forward-assist
The M16A1 and later models have a separate forward-assist on the right side to the rear of the receiver which is operated by pushing it forward. The charging handle also acts as a forward assist which is operated by pushing it forward.
Dust cover
Has a spring-loaded dust-cover, which opens when the rifle is fired or chambered. The dust-cover must be closed manually. The fire selector doubles as a dust-cover when set to "safe".
Trigger-pull
pull weight of 5.5 to 9.0 pounds;
creep of .04 to .05 inches;
mechanical energy of .22 to .45 inch pounds[122]		 pull weight of 3.0 to 7.0 pounds;
creep of .15 inches;
mechanical energy of .45 to 1.05 inch pounds[122]
Trigger-guard
The M16s trigger-guard can be lowered to allow the trigger to be pulled while wearing winter mittens.[118] The AK-47s trigger-guard is fixed and "does not lend itself well to trigger operation wearing heavy gloves."[123] However the AK-47's trigger guard is larger and has more room inside it than other similar weapons, somewhat mitigating the issue.
Cartridge deflector
To prevent hot shell casings from hitting a left handed shooter's face, older M16s had a plastic cartridge deflector attachment that is mounted in the carrying handle.[124] Current model M16s have a cartridge deflector bump built into the upper receiver.[125] The AK-47 has no need for a cartridge deflector, as it ejects spent shell casings to the right at a forward and upward angle.[126]
Forestocks
The M16 gets extremely hot when fired for prolonged periods.[114] However, early model M16s use a large well-insulated triangular shaped forestock to protect the shooter's hands.[127] The M16A2 and later models use rounded forestocks, that are stronger, more ergonomic and better insulated.[128] The AK-47 also gets extremely hot when fired for prolonged periods.[114] However, the AK-47 has a small poorly-insulated fore-stock that overheats quickly making the AK hard to handle.[129][130] The AK-47's wooden fore-stocks have even been known to catch fire if magazines are shot quickly enough on full-auto.[123] Some older AK type rifles have vertical foregrips which make it easier to control and cooler to the touch making the AK easier to handle as it overheats.[131][132]
Collapsing buttstocks
The M16 has variants with shortened barrels and adjustable telescoping buttstocks.[133] The AK-47 has variants with both standard and shortened barrels, and both under- and side-folding buttstocks.[109]

Recoil

With the proper mind-set, training and practice, soldiers armed with both the AK-47 and M16 are quite deadly. However, the M16's internal-piston gas operation system, straight-line recoil design and smaller caliber give it less recoil than the AK-47 and makes it easier to control in full-auto.[134]

"The (M16's) Stoner system provides a very symmetric design that allows straight line movement of the operating components. This allows recoil forces to drive straight to the rear. Instead of connecting or other mechanical parts driving the system, high pressure gas performs this function, reducing the weight of moving parts and the rifle as a whole."[135] The M16's straight-line recoil design, where the recoil spring is located in the stock directly behind the action,[134] and serves the dual function of operating spring and recoil buffer.[134] The stock being in line with the bore also reduces muzzle rise, especially during automatic fire. Because recoil does not significantly shift the point of aim, faster follow-up shots are possible and user fatigue is reduced. Also, current model M16 flash-suppressors also act as compensators to reduce recoil further.[136]

With the AK-47's long-stroke piston gas system, the piston is mechanically fixed to the bolt group and moves through the entire operating cycle. The primary disadvantage to this system is the disruption of the point of aim due to the center of mass changing during the action cycle and energetic and abrupt stops at the beginning and end of bolt carrier travel. However, the AK-47's heavier weight and slower rate-of-fire do a good job of mitigating any disadvantage. In addition, newer AK-47 type rifles use a muzzle brake or compensator to reduce recoil.[109] Some AK type rifles also have vertical foregrips to improve handling characteristics and to counter the effects of recoil.[131][132]

Free Recoil[137]
M16 AK-47
momentum 40.4 lb-fps 54.3 lb-fps
velocity 5.1 fps 5.2 fps
energy 3.2 ft-lbs 4.4 ft-lbs

Notes: Free Recoil is mathematical equation calculated by using the rifle weight, bullet weight, muzzle velocity and charge weight.[137] It is that which would be measured if the rifle were fired suspended from strings, free to recoil.[137] As mentioned above, a rifle's perceived recoil is also dependent on many other factors which are not readily quantified.[137]

Sights

"A longer rifle barrel has the advantages of a longer sight radius, theoretically allowing a shooter to obtain a higher degree of accuracy from the improved precision of the sights alone. A longer barrel also provides a longer path for the projectile to stabilize prior to exiting the barrel, while allotting a longer period of time for the propellant charge to act on the projectile, often resulting in higher muzzle velocities and more consistent trajectories. A long barrel inherently provides more mass available for heat transfer, increasing the heat transfer rate incurred between shots, in turn allotting less warpage in the barrel, helping to improve consistency (and ultimately accuracy)."[138]

The M16 has a 50.8 cm (20.0 in) barrel and a 500mm (19.75 inches) sight radius.[139] The M16 uses an L-type flip, aperture rear sight and it is adjustable with two setting, 0 to 300 meters and 300 to 400 meters.[140] The front sight is a post, adjustable for elevation in the field. The rear sight can be adjusted in the field for windage. The sights can be adjusted with a bullet tip and soldiers are trained to zero their own rifles. The sight picture is the same as the M14, M1 Garand, M1 Carbine and the M1917 Enfield. The M16 also has a "Low Light Level Sight System", which includes a front sight post with a small glass vial of (glow-in-the-dark) radioactive Tritium H3 and a larger aperture rear sight.[141] The M16 can mount a scope on the carrying handle. With the advent of the M16A2, a new fully adjustable rear sight was added, allowing the rear sight to be dialed in for specific range settings between 300 and 800 meters and to allow windage adjustments without the need of a tool or cartridge.[142] Current issue M16A4s and M4s have detachable carrying handles and use Picatinny rails which allow for the use of various scopes and sighting devices.[119] The current United States Army and Air Force issue M4 Carbine comes with the M68 Close Combat Optic and Back-up Iron Sight.[143][144] The United States Marine Corps uses the ACOG Rifle Combat Optic[145][146] and the United States Navy uses EOTech Holographic Weapon Sight.[147]

The AK-47 has a 41.5 cm (16.3 in) barrel and a 378mm (14.88 inches) sight radius.[148] The AK-47 uses a notched rear tangent iron sight, it is adjustable and is calibrated in hundreds from 100 to 800 meters (100 to 1000 meters for AKM models).[129] The front sight is a post adjustable for elevation in the field. Windage adjustment is done by the armory before issue. The "fixed" battle setting can be used for all ranges up to 300 meters.[129][149] This "point-blank range" setting marked "П",[149] allows the shooter to fire at close range targets without adjusting the sights. Longer range settings are intended for area suppression. These settings mirror the Mosin–Nagant and SKS rifles which the AK-47 replaced. Some AK type rifles have a front sight with a flip-up luminous dot that is calibrated at 50 meters, for improved night fighting.[129] All current AK-47s (100 series), have a side rail for mounting a variety of scopes and sighting devices, such as the PSO-1 Optical Sniper Sight.[109] However, their side folding stocks cannot be folded with the optics mounted.[150] AK-47 Side Rail mounted optics and rails have an advantage of holding point of impact zero, upon removal and installation, and are quick to detach if the operator needs to quickly use iron sights due to a optic malfunction. Additionally, many optics allow co-witness of the iron sights as well. As the mount is near the operators firing hand, these mounts and optics do not upset the balance of the weapon.

Range and accuracy

A brief comparison between cartridges reveals that the M16's lighter, higher-velocity 5.56×45mm cartridge has much better range and accuracy than the AK-47's heavier 7.62×39mm cartridge.[33][151][112]

Rifle Caliber Cartridge Cartridge
weight 		Bullet
weight 		Velocity Energy Range Accuracy
Effective* Horizontal** Lethal*** Maximum**** 10 shot group
@ 100 meters 		10 shot group
@ 300 meters
M16 5.56×45mm M193 184 gr
(11.9 g)
[152] 		55 gr
(3.6 g)
[153] 		3,250 fps
(990 m/s)
[153] 		1,302 ft/lbs
(1,764 J)
[153] 		500 yds
(460 m)
[140] 		711 yds
(650 m)
[152] 		984 yds
(900 m)
[152] 		3000 yds
(2700 m)
[152] 		4.3 in
(11 cm)
[152] 		12.6 in
(32 cm)
[154]
AK-47 7.62×39mm M43 255 gr
(16.5 g)
[152] 		122 gr
(7.9 g)
[153] 		2,330 fps
(710 m/s)
[153] 		1,468 ft/lbs
(1,991 J)
[153] 		380 yds
(350 m)
[155][148] 		580 yds
(530 m)
[152] 		1640 yds
(1500 m)
[152] 		2500 yds
(2300 m)
[152] 		5.9 in
(15 cm)
[152] 		17.5 in
(44 cm)
[154]

Note *: The effective range of a firearm is the maximum distance at which a weapon may be expected to be accurate and achieve the desired effect.[156]
Note **: The horizontal range is the distance traveled by a bullet, fired from the rifle at a height of 1.6 meters and 0° elevation, until the bullet hits the ground.[157]
Note ***: The lethal range is the maximum range of a small-arms projectile, while still maintaining the minimum energy required to put a man out of action, which is generally believed to be 15 kilogram-meters (108 ft.-Ibs.).[152] This is the equivalent of the muzzle energy of a .22LR handgun.[158]
Note ****: The maximum range of a small-arms projectile is attained at about 30° elevation. This maximum range is only of safety interest, not for combat firing.[152]

The M16 rifle is "accurate beyond description".[159] Its light recoil, high-velocity and flat trajectory allow shooters to take head shots out to 300 meters.[160][161] Newer M16s use the newer M855 cartridge increasing their effective range to 600 meters.[110] They are also more accurate than their predecessors and are capable of shooting 1–3 inch groups at 100 yards.[162][112] "In Fallujah, Marines with ACOG-equipped M16A4s created a stir by taking so many head shots that until the wounds were closely examined, some observers thought the insurgents had been executed."[163] The newest M855A1 EPR cartridge is even more accurate and during testing "...Шаблон:Nbsphas shown that, on average, 95 percent of the rounds will hit within an 8 × 8-inch target at 600 meters."[164]

The AK-47's accuracy has always been considered to be "good enough" to hit an adult male torso out to about 300 meters.[162][165][166] "At 300 meters, expert shooters (firing AK-47s) at prone or at bench rest positions had difficulty putting ten consecutive rounds on target."[154] Despite the Soviet engineers' best efforts and "no matter the changes, the AK-47's accuracy could not be significantly improved; when it came to precise shooting, it was a stubbornly mediocre arm."[167] Curiously, the newer stamped steel receiver AKM models are actually less accurate than their predecessors.[162] "There are advantages and disadvantages in both forged/milled receivers and stamped receivers. Milled/Forged Receivers are much more rigid, flexing less as the rifle is fired thus not hindering accuracy as much as stamped receivers. Stamped receivers on the other hand are a bit more rugged since it has some give in it and have less chances of having metal fatigue under heavy usage."[162] As a result, the milled AK-47's are capable of shooting 3–5 inch groups at 100 yards, whereas the stamped AKM's are capable of shooting 4–6 inch groups at 100 yards.[112][162] The best shooters are able to hit a man-sized target at 800 metres within five shots (firing from prone or supported position) or ten shots (standing).[168]

Файл:NATO E-type Silhouette Target.PNG
NATO E-type Silhouette Target
Single-shot hit-probability on Crouching Man (E-Silhouette) Target[169]
Rifle Caliber Hit-probability (With no range estimation or aiming errors)
50 meters 100 meters 200 meters 300 meters 400 meters 500 meters 600 meters 700 meters 800 meters
M16A1 5.56×45mm 100% 100% 100% 100% 96% 87% 73% 56% 39%
AK-47 7.62×39mm 100% 100% 99% 94% 82% 67% 54% 42% 31%

Terminal ballistics

A brief comparison between cartridges reveals that the AK-47's heavier 7.62×39mm cartridge has much better penetration than the M16's lighter, higher-velocity 5.56×45mm cartridge.[170][171][172][173][174] However, it also reveals that the M16's lighter, higher-velocity 5.56mm bullet has a tendency to fragment on impact causing larger wounds than the AK-47's heavier 7.62mm bullet, which does not fragment on impact.[170][171][172][175]

Rifle Caliber Cartridge Penetration
Ballistic gelatin
@ 10 meters 		Sandbags
@ 100 meters 		3/4" pine boards
@ 100 meters 		Concrete building block
(one center rib) 		Steel helmet 1.9mm steel
(14 gauge)
@ 100 meters 		4mm steel
(8 gauge)
+ layers of
Kevlar-29
AK-47 7.62×39mm M43 ≈Шаблон:Convert
(bullet did
not fragment)
[170][171][172] 		Шаблон:Convert
(bullet did
not fragment)
[173] 		19 boards
(bullet did
not tumble)
[173] 		both sides to 200 m
one side to 400 m
[173] 		both sides to 200 m
one side to 400 m
[173] 		3 layers
[173] 		33 layers of Kevlar
[174]
M16 5.56×45mm M193 ≈Шаблон:Convert
(bullet fragments
into smaller pieces)
[170][172] 		Шаблон:Convert
(complete bullet
disintegration)
[173] 		8 boards
(bullet tumbled)
[173] 		one side to 200 m
[173] 		both sides to 300 m
one side to 500 m
[173] 		2 layers
[173] 		31 layers of Kevlar
[174]

Шаблон:Multiple image

The AK-47's heavier 7.62×39mm round has superior penetration when compared to the M16's lighter 5.56×45mm round and is better in circumstances where a soldier has to shoot through heavy foliage, walls or a common vehicle's metal body and into an opponent attempting to use these things as cover. The 7.62×39mm M43 projectile does not generally fragment in soft tissue[175] and has an unusual tendency to remain intact even after making contact with bone. The 7.62×39mm round produces significant wounding in cases where the bullet tumbles in tissue,[176] but produces relatively minor wounds in cases where the bullet exits before beginning to yaw.[172][177][178] In the absence of yaw, the M43 round can pencil through tissue with relatively little injury and its wounding potential is limited to the small permanent wound channel the bullet itself makes.[172][175][176]

The original ammunition for the M16 was the 5.56×45mm M193 round. When fired from a 20" barrel at ranges of up to 100 meters, the thin-jacketed lead-cored round traveled fast enough (above 2900 ft/s) that the force of striking a human body would cause the round to yaw (or tumble) and fragment into about a dozen pieces of various sizes thus created wounds that were out of proportion to its caliber.[170][172][175] These wounds were much larger than those produced by AK-47 and they were so devastating that many considered the M16 to be an inhumane weapon.[179][180][181] As the 5.56mm round's velocity decreases, so does the number of fragments that it produces.[19] The 5.56mm round does not normally fragment at distances beyond 200 meters or at velocities below 2500 ft/s, and its lethality becomes largely dependent on shot placement.[19][172]

In March 1970, the U.S. recommended that all NATO forces adopt the 5.56×45mm cartridge.[64] This shift represented a change in the philosophy of the military's long-held position about caliber size. By the mid 1970s, other armies were looking at M16-style weapons. A NATO standardization effort soon started and tests of various rounds were carried out starting in 1977.[64] The U.S. offered the 5.56×45mm M193 round, but there were concerns about its penetration in the face of the wider introduction of body armor.[19] In the end the Belgian 5.56×45mm SS109 round was chosen (STANAG 4172) in October 1980.[64] The SS109 round was based on the U.S. cartridge but included a new stronger, heavier, 62 grain bullet design, with better long range performance and improved penetration (specifically, to consistently penetrate the side of a steel helmet at 600 meters).[19] Due to its design and lower muzzle velocity (about 3110 ft/s)[139] the Belgian SS109 round is considered more humane because it is less likely to fragment than the U.S. M193 round.[180] The NATO 5.56×45mm standard ammunition produced for U.S. forces is designated M855.

Most, if not all, of the 7.62×39mm ammunition found today is of the upgraded M67 variety. This variety deleted the steel insert, shifting the center of gravity rearward and allowing the projectile to destabilize (or yaw) at about Шаблон:Convert, nearly Шаблон:Convert earlier in tissue than the M43 round.[182] This change also reduces penetration in ballistic gelatin to ≈Шаблон:Convert for the newer M67 round verses ≈Шаблон:Convert for the older M43 round.[171][182] However, like the M43, the wounding potential of M67 is mostly limited to the small permanent wound channel the bullet itself makes, especially when the bullet doesn't yaw (tumble).[175][182]

There is now relative parity between the wounding capacity of the M67 and the current M855 5.56×45mm round. However, there have been repeated and consistent reports of the M855's inability to wound effectively (i.e. fragment) when fired from the short barreled M4 carbine (even at close ranges).[19] The M4's 14.5" barrel length reduces muzzle velocity to about 2900 ft/s.[183] This reduced wounding ability is one reason that, despite the Army's transition to short-barrel M4's, the Marine Corps has decided to continue using the M16A4 with its 20″ barrel as the 5.56×45mm M855 is largely dependent upon high velocity in order to wound effectively.[19]

In 2003, the U.S. Army contended that the lack of lethality of the 5.56×45mm was more a matter of perception than fact.[184][185] With good shot placement to the head and chest, the target was usually defeated without issue.[184][186] The majority of failures were the result of hitting the target in non-vital areas such as extremities.[184] However, a minority of failures occurred in spite of multiple hits to the chest.[184] In 2006, a study found that 20% of soldiers using the M4 Carbine wanted more lethality or stopping power.[33] In June 2010, the United States Army announced it began shipping its new 5.56mm, lead-free, M855A1 Enhanced Performance Round to active combat zones.[187] This upgrade is designed to maximize performance of the 5.56×45mm round, to extend range, improve accuracy, increase penetration and to consistently fragment in soft-tissue when fired from not only standard length M16s, but also the short-barreled M4 carbines.[164][187][188] The U.S. Army was so impressed with the M855A1 EPR round][189][190][191] that they also developed the 7.62×51mm M80A1 EPR version.[192][193]

During the 1990s, the Russians developed the AK-101 in 5.56×45mm NATO for the world export market.[194][195] In addition, Bulgaria, Hungary, Poland and Yugoslavia (i.e. Serbia) have also rechambered their locally produced AK variants to 5.56mm NATO.[196][197] And, Finland, Israel, South Africa and Sweden have made AK type rifles in 5.56×45mm since the 1970s.[198]

Firepower

Rates of fire

Both the AK-47 and the M16 are select-fire weapons capable of firing in semi-automatic and full-auto, or semi-auto and 3-round-burst for the later model M16s. However, the semi-auto and 3-round-burst capability of the M16A2 and M4 models have less combat capability than their predecessors or AK-47 type rifles.[128] This is due to the elimination of full-auto mode of fire[128] In addition, the burst mechanism does not recycle; if one or two rounds are fired because the trigger is not held long enough, the next pull of the trigger will not result in a three-round burst, but will result in two or one shots being fired, respectively.[128] The M4A1 and HK416 have abandoned the 3-round-burst capability and returned to the more traditional semi-automatic and full-auto modes of fire, while the M16A4 retains the 3-round burst mode.[199][200]

Rifle Rate of fire
Full-auto cyclical Full-auto practical 3-round-burst practical * Semi-auto practical Sustained **
AK-47 600 rpm[201][202] 100 rpm[201][202] NA 40 rpm[201][202] 12 to 15 rpm
M16 700–950 rpm[139][203][204] 150 rpm[203] 90 rpm[204] 45 rpm[203] 12 to 15 rpm

Note *: The AK-47 does not have a three-round burst capability. The M16A2 and M4 models have replaced the full-auto mode of fire with a three-round burst capability.[128]
Note **: Both the AK-47 and the M16 will overheat fairly quickly under normal combat conditions and have a sustained rate of fire as low as 12 to 15 rounds per minute (about the same as a bolt-action rifle).[205][206][207]

Available firepower

The standard magazine capacity for both the AK-47 and M16 type rifles is 30 rounds, although lower and higher capacity magazines are available for both systems. However, the single most limiting factor in terms of firepower is the amount of ammunition that a soldier can carry.[208][209][210][211] A soldier armed with an M16 can carry far more ammo than a soldier armed with an AK-47.[173][212] Assuming a maximum 10 kilogram ammo-load...

Magazine Weight of loaded
magazine 		Magazine
capacity 		Max. Шаблон:Convert
ammunition load * 		Total available
firepower
AK-47 slab-sided steel magazine Шаблон:Convert[111] 30 rounds 10 magazines @ Шаблон:Convert 300 rounds
AKM ribbed stamped-steel magazine Шаблон:Convert[111][108] 30 rounds 12 magazines @ Шаблон:Convert 360 rounds
AK-103 steel-reinforced plastic magazine Шаблон:Convert[111] 30 rounds 13 magazines @ Шаблон:Convert 390 rounds
M16 aluminum 20-round magazine Шаблон:Convert[110] 20 rounds 31 magazines @ Шаблон:Convert 620 rounds
M16 aluminum 30-round magazine Шаблон:Convert[110] 30 rounds 20 magazines @ Шаблон:Convert 600 rounds

Note *: Шаблон:Convert is the maximum amount of ammo that the average soldier can comfortably carry... it also allows for best comparison of the three most common AK-47 magazines to the standard USGI M16 magazine.

Additional firepower

Additional firepower
M16 AK-47
All current M16 type rifles are capable of launching NATO STANAG type 22mm rifle grenades from their integral flash hiders without the use of an adapter.[213] These 22mm rifle grenade types range from powerful anti-tank rounds to simple finned tubes with a fragmentation hand grenade attached to the end.[213] The "standard" type rifle grenade is propelled by a blank cartridge inserted into the chamber of the rifle. The "bullet trap" and "shoot through" types, as their names imply use live ammunition. The U.S. military does not generally use rifle grenades,[notes 2] however they are used by other nations. Some AK-47 type rifles like the Zastava M70's are also capable of launching 22mm rifle-grenades and have a grenade-launching ladder-type sight and gas cut-off, attached to the front end of the gas cylinder and coupled to the gas regulator.[214] To launch rifle-grenades a 22mm adapter is screwed on in place of the slant brake or other muzzle device.[214][215]
All M16 type rifles can mount a cup-type launcher used to launch the "400" or "Skittering" Tear-Gas Grenade.[216][217] All AK-47 type rifles can mount a (rarely used) cup-type grenade-launcher that fires standard RGD-5 Soviet hand-grenades. The soup-can shaped launcher is screwed onto the AK-47's muzzle. To fire first, insert a standard RGD-5 hand-grenade into the launcher and then remove the safety pin. Second, insert a special blank cartridge into the rifles chamber. Third, place the butt-stock of the rifle on the ground and fire from this position. The maximum effective range is approximately 150 meters.[201] This cup-type launcher can also be used to launch tear-gas grenades.
All current M16 type rifles can mount under-barrel grenade-launchers such as the M203 and M320 All current AK-47 type rifles can mount under-barrel grenade-launchers such as the GP-25 series
All current M16 type rifles can mount under-barrel 12 gauge shotguns such as KAC Masterkey or the M26 Modular Accessory Shotgun System
The M16 can mount the M234 Riot Control Launcher, which uses blank cartridges to launch either the M734 64 mm Kinetic Riot Control or the M742 64 mm CSI Riot Control Ring Airfoil Projectiles.[218] The latter produces a 4 to 5 foot Tear Gas cloud on impact.[218] The M234 is no longer used by United States forces. It has been replaced by the M203 40mm grenade launcher and nonlethal ammunition.
The M16 can mount the Rifleman's Assault Weapon (also called RAW). This close-support, 140 mm spherical rocket-propelled grenade was developed around 1977 and put into limited service by the United States Marine Corps in the 1990s.[219] The RAW's 1-kg high explosive squash head (HESH) warhead can penetrate 20 cm of reinforced concrete (creating a 36 cm-wide hole) and hit moving targets at a range of 300 meters. The RAW is no longer used by the USMC. It has been replaced by the Shoulder-launched Multipurpose Assault Weapon (also called SMAW).

Note: All of these grenades, launchers and shotguns add additional bulk and weight to the soldiers war-load and as a result, they reduce the amount rifle ammunition that soldiers can carry. For example, a modern French AC58 "bullet trap" rifle grenade is 380mm long and weighs Шаблон:Convert,[220] the equivalent of a loaded M16 magazine.[110] An M203 grenade launcher adds Шаблон:Convert to an M16's weight[221] and 40×46mm High Explosive (HE) grenades weigh Шаблон:Convert,[222] about half the weight of a loaded M16 magazine.[110]

Accessories

Neither the AK-47 nor the M16 were designed to mount accessories, except of course for their respective bayonets and a simple clamp type bipod for the M16.[223][224] However, with the advent of the Picatinny rail and by sheer happenstance, the M16 has proven itself to be a remarkably adaptable weapon system, capable of mounting a wide range of accessories, including grenade launchers, fore-grips, removable carry handle/rear sight assemblies, bipods, laser systems, electronic sights, night vision, tactical lights, etc.[67] The AK-47 can also use Picatinny rail mounted accessories, although its design and smaller fore-stock make it less adaptable.

In addition, the M16 is "the Swiss Army knife of rifles" a modular weapon system whose components can be arranged in a variety of different configuration.[67][225] For example, an M16A2 with its standard iron sights and a standard fore-stock can be easily converted, in a matter of seconds and without the use of tools to an M16A4 with Picatinny rails, optical sights and a variety of accessories.[226] This is accomplished by simply pushing in two pins, removing the A2 upper receiver/barrel and replacing it with an A4 upper receiver/barrel.[226] Or, an M16A4 Rifle can be converted to an M4 Carbine in a few minutes by replacing the upper receiver/barrel and using simple hand-tools to replace the fixed buttstock with a telescoping buttstock.[226] As such, the M16 can be easily converted into different calibers and different types of weapons.[227][228] The AK-47 has no such capability.

Bayonets

Today, bayonets are rarely used in combat.[229][230][231] However, both the AK-47 and M16 retain bayonet lugs and bayonets are still issued. Also, bayonets are still used for controlling prisoners and as a weapon of "last resort".[229] In addition, some authorities have concluded that bayonets serve as useful training aids in building morale and increasing desired aggression in troops.[232][233]

The M16 is 44.25 inches (1124mm) long with an M7 bayonet attached.[140] The M7 bayonet is based on earlier designs such as the M4, M5, & M6 bayonets, all of which are direct descendants of the M3 Fighting Knife and have spear-point blade with a half sharpened secondary edge. The newer M9 bayonet has a clip-point blade with saw teeth along the spine, and can be used as a multi-purpose knife and wire-cutter when combined with its scabbard. The current USMC OKC-3S bayonet bears a resemblance to the Marines' iconic Ka-Bar fighting knife with serrations near the handle.

The AK is 40.15 inches (1020mm) long with an AKM type bayonet attached.[234] The AK-47 has an adequate but unremarkable bayonet. However, the AKM Type I bayonet (introduced in 1959) was a revolutionary design.[235] It has a Bowie style (clip-point) blade with sawteeth along the spine, and can be used as a multi-purpose knife and wire-cutter when combined with its steel scabbard.[129][235] This design was copied by other nations and formed the basis of the US M9 bayonet.[235][236] The AK-74 bayonet (introduced in 1983) represents a further refinement of the AKM bayonet. "It introduced a radical blade cross-section, that has a flat milled on one side near the edge and a corresponding flat milled on the opposite side near the false edge.[235] The blade has a new spear point and an improved one-piece molded plastic grip making it a more effective fighting knife.[235] It also has saw-teeth on the false edge and the usual hole for use as a wire-cutter.[235] Some Chinese AK type rifles such as the Type 56 include an integral folding spike bayonet, similar to the SKS rifle.[129][236][237]

Reliability

Файл:Gas OPR.gif
Diagram of long-stroke gas operation system
Файл:Trich khi ak.JPG
AK-47 long-stroke gas operation system
Файл:M16 rifle Firing FM 23-9 Fig 2-7.png
M16 internal piston gas system

The AK-47 has always enjoyed a reputation for rugged reliability and has a malfunction rate of one per 1000 rounds fired.[238][239] It uses a long-stroke gas system, where the gas is sent from the barrel to push a piston attached to the bolt carrier, thus operating the action. The gas tube is fairly large and is visible above the barrel with ports or vents to allow the excess "dirty" gas to escape without affecting the action. The AK-47 is often built with generous clearances, allowing it to function easily in a dirty environment with little or no maintenance. This makes it reliable but less accurate.[240]

The M16 has always had a reputation for poor reliability and has a malfunction rate of two per 1000 rounds fired.[238] The M16 uses a unique gas-powered operating system: Шаблон:Quote This design is much lighter and more compact than a traditional gas-piston design. However, this design requires that combustion byproducts from the discharged cartridge be blown into the receiver. This accumulating carbon and vaporized metal build-up within the receiver and bolt-carrier negatively affects reliability and necessitates more intensive maintenance on the part of the individual soldier. The internal piston operation increases the amount of heat that is deposited in the receiver while firing the M16 and causes essential lubricant to be "burned off". This requires frequent and generous applications of appropriate lubricant.[19] Lack of proper lubrication is the most common source of weapon stoppages or jams.[19]

The original M16 fared poorly in the jungles of Vietnam and was infamous for reliability problems in the harsh environment. As a result, it became the target of a Congressional investigation.[241] The investigation found that:[10]

  • The M16 was billed as self cleaning (when no weapon is or ever has been).
  • The M16 was issued to troops without cleaning kits or instruction on how to clean the rifle.
  • The M16 and 5.56×45mm cartridge was tested and approved with the use of a DuPont IMR8208M stick powder, that was switched to Olin Mathieson WC846 ball powder which produced much more fouling, that quickly jammed the action of the M16 (unless the gun was cleaned well and often).
  • The M16 lacked a forward assist (rendering the rifle inoperable when it jammed).
  • The M16 lacked a chromed barrel and chamber, causing corrosion problems, contributing to case swelling and extraction failures (which was considered the most severe problem and required extreme measures to clear, such as inserting the cleaning-rod down the barrel and knocking the spent cartridge out).

When these issues were addressed and corrected by the M16A1, the reliability problems decreased greatly.[242] According to a 1968 Department of Army report, the M16A1 rifle achieved widespread acceptance by U.S. troops in Vietnam.[62] "Most men armed with the M16 in Vietnam rated this rifle's performance high, however, many men entertained some misgivings about the M16's reliability. When asked what weapon they preferred to carry in combat, 85 percent indicated that they wanted either the M16 or its submachine gun version, the XM177E2. (The M14 was preferred by 15 percent, while less than one percent wished to carry either the Stoner rifle, the AK-47, the carbine or a pistol.)"[62] In March 1970, the "President’s Blue Ribbon Defense Panel" concluded that the issuance of the M16 saved the lives of 20,000 U.S. servicemen during the Vietnam War, who would have otherwise died had the M14 remained in service.[32] However the M16 rifle's reputation continues to suffer.[242]

After the introduction of the M4 Carbine, it was found that the shorter barrel length of 14.5 inches also has a negative effect on reliability, as the gas port is located closer to the chamber than the gas port of the standard length M16 rifle: 7.5 inches instead of the 13 inches.[243] This affects the M4's timing and increases the amount of stress and heat on the critical components, thereby reducing reliability.[243] In a 2002 assessment the USMC found that the M4 malfunctioned three times more often than the M16A4 (the M4 failed 186 times for 69,000 rounds fired, while the M16A4 failed 61 times).[244] Thereafter, the Army and Colt worked to make modifications to the M4s and M16A4s in order to address the problems found.[244]

In tests conducted in 2005 and 2006 the Army found that on average, the new M4s and M16s fired approximately 5,000 rounds between stoppages.[244][245] In 2010, U.S. Marines operating in Afghanistan reported no reliability problems with their M16 rifles and M4 carbines.[246] "This is more so given the account of Chief Warrant Officer Joshua S. Smith, the Marine responsible for weapons training and performance in the Third Battalion, Sixth Marines, which is engaged in daily fighting in Marja. 'We've had nil in the way of problems; we've had no issues,' he said of the M-4s and M-16s. The battalion has about 350 M-16s and 700 M-4s, he said."[246]

Файл:DIRECTM16.gif
Gas tube mislabeled as direct impingement. The bolt and carrier with their internal-piston mechanism are not shown.
Файл:PISTONM16.gif
Short-stroke gas piston. The bolt and carrier are not shown.

The newest version of the M16 in U.S. service is the HK416 (a.k.a. the M27 Infantry Automatic Rifle)[247][248][249][250][251] which uses a proprietary gas system derived from the HK G36, replacing the internal-piston] gas system used by the standard M16/M4.[252] The HK system uses a short-stroke gas piston driving an operating rod to force the bolt carrier to the rear. This design prevents combustion gases from entering the weapon's interior, a shortcoming with internal-piston and direct impingement systems.[253][254] The reduction in heat and fouling of the bolt carrier group increases the reliability of the weapon and extends the interval between stoppages.[254][255] The short-stroke gas piston require less maintenance and cleaning.[254] It reduces operator cleaning time and stress on critical components.[254] "Improving the service interval requirements provides a major benefit to soldiers that may not have the ability or opportunity to thoroughly clean their rifle. Also, the design of the external gas piston system is less susceptible to build up of other contaminants in extreme environments."[254] During factory tests the HK416 fired 10,000 rounds in full-auto without malfunctioning.[256]

Magazines

"Magazines are one of the most important elements of any firearm design. They are responsible for the feeding portion of the cycle of operation. Even in the most proven arm that reliably extracts and ejects, the magazine has to be 100-percent reliable for it to consistently feed properly."[257]

The AK-47's 30-round magazines have a pronounced curve that allows them to smoothly feed ammunition into the chamber. Their heavy steel construction combined with "feed-lips" (the surfaces at the top of the magazine that control the angle at which the cartridge enters the chamber) machined from a single steel billet makes them highly resistant to damage. These magazines are so strong that "Soldiers have been known to use their mags as hammers, and even bottle openers."[258] This makes the AK-47 magazine more reliable, although heavier than U.S. and NATO magazines. The early slab-sided steel AK-47 magazines weigh Шаблон:Convert empty.[111] The later steel AKM magazines had lighter sheet-metal bodies with prominent reinforcing ribs weighing Шаблон:Convert empty.[108][111] The current issue steel-reinforced plastic magazines are even lighter, weighing Шаблон:Convert empty.[223] Early steel AK-47 magazines are 9.75 inches long, and the later ribbed steel AKM and newer plastic magazines are about an inch shorter.[5][259]

The M16's magazine was meant to be a lightweight, disposable item.[67][257] As such, it is made of pressed/stamped aluminum and was not designed to be durable.[67] Therefore, it is easier to damage than an AK-47 magazine and the feed lips are proportionally weaker when compared to the AK-47.[257] The M16 originally used a 20-round magazine which was later replaced by a bent 30-round design.[257] As a result, the magazine follower tends to rock or tilt, causing malfunctions.[257] Many non-U.S. and commercial magazines have been developed to effectively mitigate these shortcomings (e.g., H&K's all-stainless-steel magazine, Magpul's polymer P-MAG, etc.).[19][257] Standard USGI aluminum 30-round M16 magazines weigh Шаблон:Convert empty and are 7.1 inches long.[260][261] The newer plastic magazines are about a half inch longer.[262] The newer steel magazines are about a half inch longer and 4 ounces heavier.[263] The M16's magazine has become the unofficial NATO STANAG magazine and is currently used by many Western Nations, in numerous weapon systems.[264][265]

In 2009, the U.S. Military began fielding an "improved magazine" identified by a tan-colored follower.[266][267] "The new follower incorporates an extended rear leg and modified bullet protrusion for improved round stacking and orientation. The self-leveling/anti-tilt follower minimizes jamming while a wider spring coil profile creates even force distribution. The performance gains have not added weight or cost to the magazines."[267]

In July 2016, the U.S. Army introduced the new Enhanced Performance Magazine.[268] These new magazines have tan bodies and blue followers.[268] "Unlike previous magazines, the EPM uses a new, modified magazine body (and therefore not interchangeable, hence the different color) which presents the rounds at a more favorable angle to the rifle’s feedway, improving reliability and, importantly, preventing the hardened steel tips of new 5.56mm M855A1 Enhanced Performance Rounds from contacting the aluminum feed ramp section on M4 type rifles."[268] This allows for a dramatic 300% increase in the number of rounds fired between stoppages.[268]

Service life

AK-47 type rifles are made in dozens of countries, with "quality ranging from finely engineered weapons to pieces of questionable workmanship."[269] As a result, the AK-47 has a service/system life of approximately 6,000,[270] to 10,000,[271] to 15,000[272] rounds.[23] The AK-47 was designed to be a cheap, simple, easy to manufacture assault rifle,[212] perfectly matching Soviet military doctrine that treats equipment and weapons as disposable items.[273] As units are often deployed without adequate logistical support and dependent on "battlefield cannibalization" for resupply, it is actually more cost-effective to replace rather than repair weapons.[273]

Both the AK-47 and the M16 have small parts and springs that need to be replaced every few thousand rounds.[67][274] However "Every time (an AK) is disassembled beyond the field stripping stage, it will take some time for some parts to regain their fit, some parts may tend to shake loose and fall out when firing the weapon. Some parts of the AK-47 line are riveted together. Repairing these can be quite a hassle, since the end of the rivet has to be ground off and a new one set after the part is replaced."[91]

M16 type rifles are made by dozens of manufactures around the world, to the highest standards "the goal of which is to ensure that products designed for military use meet the necessary requirements with regard to quality, durability, ruggedness, commonality, interchangeability, total cost of ownership, logistics and other military and defense-related objectives."[275] The M16's barrel life is approximately 15,000 rounds for standard issue M16A4s and M4s.[245] Cold hammer forged steel barrels such as those used on the HK416 have service life of 20,000 to 50,000 rounds depending on the intensity of use.[274][247][276] A badly worn M16 barrel will cause the bullets to tumble in flight.[277] However, the M16's upper receiver/barrel may be swapped out in a matter of seconds, without the use of tools, simply by pushing out two pins.[278][279][280] The M16 was designed to be a serviceable assault rifle,[281] perfectly matching American military doctrine where units are resupplied on a continuous basis, and are expected to perform most of their own maintenance and repairs in the field.[273] As such, American units are well supplied and are quickly provided with whatever spare-parts they need by their logistical support systems.[273]

An M16 rifle that has been declared non-serviceable may be sent to a Small Arms Repair Facility, where it is overhauled, upgraded and returned to service.[282][283] The M16 rifle may be recycled almost infinitely,[284] as any individual part can be easily replaced until none of the original parts remain.

Miscellaneous

M16 AK-47
Technical
Файл:5.56x45mm NATO.svg
5.56×45mm cartridge dimensions
Файл:7.62x39mm round.svg
7.62×39mm cartridge dimensions
The M16 has a chamber pressure of 52,000 psi[281] The AK-47 has a chamber pressure of 50,000 psi[285]
The M16s Rifling is:
early models have 4 grooves, right hand twist, 1 turn in 14 inches (355.6 mm);
later models have 6 grooves, right hand twist, 1 turn in 12 inches (304.8 mm);
most current models have 6 grooves, right hand twist, 1 turn in 7 inches (177.8 mm);
some current models have 6 grooves, right hand twist, 1 turn in 9 inches (228.6 mm) [281][286][287][288][289]		 The AK-47s Rifling is:
4 grooves, right hand twist, 1 turn in 9.25 inches (235 mm)[290]
Features
The M16 has a flash-hider[291] or flash-suppressor.[118] Also, current M16 flash-suppressors also act as compensators.[136] The AK-47 does not have a flash-hider. However, all AKM and current AK models have a simple slant-type muzzle-brake[109] or compensator.
The M16 can mount several types of silencers and sound suppressors[292] The AK-47 can mount PBS-1 silencer (sound suppressor)[293]
The M16 uses synthetic furniture which is more durable than wood. The AK-47 uses wood furniture which can break, split, crack and rot. However, later model AKs use synthetic furniture.
The M16 can be field stripped without tools The AK-47 can be field stripped without tools
The M16 has a large storage compartment in the buttstock[118] that holds the rifle's cleaning kit (or anything else that will fit inside). The AK-47 has a small storage compartment in the buttstock that only holds the rifle's cleaning kit capsule.
The M16s multi-piece cleaning rod is located in the buttstock[118] (or wherever else the soldier put it), and it cannot be easily reached and assembled if needed to clear a malfunction. The AK-47s one-piece cleaning rod is located below the barrel and can be easily reached if needed to clear a malfunction.
The M16 can be disassembled into upper and lower halves, shortening the overall length for ease of storage and transport.[294]
The M16s bolt carrier group is small enough that an extra group can be carried as a back-up. If necessary a malfunctioning group can be quickly and easily removed, and replaced.[295]
Shortcomings
Early model M16 barrels could bend under rough handling or while firing as the barrel overheats.[296] However, this shortcoming was corrected by the M16A2.[128]
Early model M16 furniture could be damaged by rough handling.[127] However, this shortcoming was corrected by the M16A2.[128]
Barrels smaller than .25 caliber, such as those found on the M16, have a propensity to retain water, due to surface tension and capillary attraction, causing excessive overpressure when the weapon is fired.[297] This requires the user to open the chamber while draining the barrel.[297] However, the U.S. military provides a protective muzzle cap to keep water out of the M16s barrel.[298] Barrels larger than .25 caliber, such as those found on the AK-47 do not retain water and the water drains freely (even when loaded).[297]
The AK-47s receiver top-cover may fall off under rough handling or while firing.[299] Also, the recoil impulse of launching 40mm grenades from the GP-25 and GP-30 grenade launchers would cause the receiver top-cover to fly off.[115] As a result, the newer AK-100 series have a "spring-loaded button at the top end of the recoil spring's guide rod (that) prevents the top cover from flying off into the Siberian sunset."[115]
The AK-47s exposed gas cylinder is easily dented by rough handling, sometimes causing malfunctions.[91]
Variants
The M16 has variants with shortened barrels and adjustable telescoping buttstocks.[133] The AK-47 has variants with both standard and shortened barrels, and both under- and side-folding buttstocks.[109]
M16 type rifles are currently made in 5.56×45mm NATO, 6.8×43mm SPC and .300 AAC Blackout caliber.[300] AK-47 type rifles are currently made in 7.62×39mm, 5.45×39mm and 5.56×45mm NATO.[194]
The 7.62mm NATO SR-25 and M110 are based on the original AR-10, but feature additional refinements to maximize parts commonality with the M16.[301] Zastava Arms makes 7.62×51mm NATO, 7.62×54mmR and 7.92×57mm AK versions, and the IMI Galil is also made in 7.62mm NATO.
The M16 has a smaller 9mm, closed bolt, blowback operated, submachine gun version called the Colt SMG. The AK-47 has smaller 9mm, submachine gun versions called the Vityaz-SN.[302] and the Bizon[303]
The M16 has an open-bolt light machine gun version called the Colt Automatic Rifle with a heavier barrel and integrated bipod. It has a distinctive squared shaped hand-guard with forward pistol grip and carrying handle. It can also use larger MWG 90-round "snail drum" and 100-round Beta C-mags.[304] The AK-47 has a widely used closed-bolt light machine gun version called the RPK with a stronger receiver, longer heavier barrel, an attached bipod and can use larger 40-round box and 75-round drum magazines.[305]
The M16 has belt-fed light machine gun versions made by several manufactures,[306][307][308] including the Ares Defense Shrike 5.56. There are prototype belt-fed AK-47 variants such as PU-21, IP-2[309][310] and RPL-20.[311]
The M16's lower receiver may also be mated with the AR-57 and .50 caliber bolt-action upper receivers.[312][313]
The M16 has 12 Gauge shotgun version; UTAS XTR-12[314] and .410 gauge shotgun versions; Safir T-14 and the ATI OMNI.[315] The AK-47 has shotgun versions; the Saiga-12, Vepr-12 and KSK[316]
Additional
The M16 has .22 caliber conversion kits.[317] The AK-47 has .22 caliber conversion kits.[318]
The M16s sound level is:
for shooter = 155 (dB)[319]
1 m to side = 163 (dB)[319]
10 m to side = 141 (dB)[319]		 The AK-47s sound level is:
for shooter = 159 (dB)[319]
1 m to side = 163 (dB)[319]
10 m to side = 141 (dB)[319]
The M16s sling is not only used to carry the rifle, but also to help support and stabilize the rifle while shooting, to allow for more accurate fire.[320] "When the rifle sling is adjusted properly, it will provide maximum stability for the weapon and help reduce the effects of the rifle's recoil. There are three basic types of rifle sling adjustments: the loop sling, the hasty sling, and the three-point sling."[320]

AK-74 vs M16A2

"The AK-74 assault rifle was a Soviet answer to the US M16."[321][322][323] The Russians realized that the M16 had better range and accuracy over the AKM, and that its lighter cartridge allowed soldiers to carry more ammunition. Therefore, in 1967, the USSR issued an official requirement to replace the AKM and the 7.62×39mm cartridge.[324] They soon began to develop the AK-74 and the 5.45×39mm cartridge.[11]Шаблон:Failed verification[325] AK-74 production began in 1974,[324] and it was unveiled in 1977, when it was carried by Soviet parachute troops during the annual Red Square parade.[326] It would soon replace the AKM and become the standard Soviet infantry rifle.[326] In 1979, the AK-74 saw combat for the first time in Afghanistan.[327]

Файл:5-56 5-45 mm cases.jpg
5.56mm NATO (left) and
5.45mm Russian (right) cases
Файл:7.62x39mm and 5.45x39mm.jpg
The 7.62×39mm and 5.45×39mm cartridges.

The AK-74 is a modified version of the 7.62×39mm AKM rifle.[326][328] These modifications were primarily the result of converting the rifle to the 5.45×39mm cartridge,[326] some early models are reported to have been rebarreled AKMs.[328] The AK-74 and AKM share 9 assemblies and 52 parts (36% & 53% parts commonality, respectively).[329]

The 5.45×39mm cartridge is much lighter than the 7.62×39mm round that it replaced, allowing soldiers to carry 1.5 times more ammunition.[324] The AK-74 also offers improved range and accuracy over the AKM.[321] However, the AK-74's range and accuracy, according to one source, is still "inferior to most Western weapons," including current issue M16 type rifles.[330]

The 5.45 mm bullet tumbles in soft tissue, producing temporary cavities at a depth of 10 cm (3.9 in) and 35 cm (13.8 in).[172] This effect is similar to, but more rapid than with 7.62×39mm cartridge.[172] The 5.45mm round offers better penetration over the U.S. round.[171][331] However, unlike its counterpart, the 5.45mm round "does not deform or fragment when striking soft tissues."[171][331] Nevertheless, during the Afghan war the Mujahedeen called the 5.45×39mm round the "Poison Bullet" due to the severe wounds it produced to extremities and the resulting need to amputate.[332][333][334]

Available firepower comparison
Magazine Weight of loaded
30-round magazine 		Max. Шаблон:Convert
ammunition load 		Total available
firepower
AK-74 steel-reinforced plastic magazine Шаблон:Convert[111][223] 18 magazines @ Шаблон:Convert 540 rounds
M16 aluminum magazine Шаблон:Convert[110] 20 magazines @ Шаблон:Convert 600 rounds
Ballistic & terminal ballistics comparison
Rifle Caliber Cartridge Bullet
weight 		Velocity Energy Effective
range 		Accuracy Group/Hits* Penetration
Ballistic gelatin
@ 10 meters
20 shot group @
100 yards 		20 shot group @
300 yards 		20 shot group @
600 yards 		20 shot group @
800 yards 		10 shot group @
1000 yards
M16A2 5.56×45mm SS109 / M855 62 gr
(4.0 g) 		3,100 fps
(940 m/s) 		1,303 ft/lbs
(1776 J) 		656 yd
(600 m)
[335] 		5.50 in
20×20
[336] 		15.75 in
20×20
[336] 		32.75 in
15×20
[336] 		43.00 in
12×20
[336] 		73.90 in
6×10
[336] 		≈Шаблон:Convert
(bullet fragments
into smaller pieces)
[172]
AK-74 5.45×39mm 7N6 FMJ 53 gr
(3.4 g) 		2900 fps
(880 m/s)
[337] 		979 ft/lbs
(1328 J) 		547 yd
(500 m)
[337] 		7.25 in
20×20
[336] 		21.60 in
17×20
[336] 		44.00 in
9×20
[336] 		74.50 in
7×20
[336] 		No Hits
[336] 		≈Шаблон:Convert
(bullet does
not fragment)
[172]

Notes *: Group = Extreme Spread of group...Hits = Hits on 39" high × 19" wide silhouette

Файл:NATO E-type Silhouette Target.PNG
NATO E-type Silhouette Target
Single-shot hit-probability on Crouching Man (E-Silhouette) Target[169]
Rifle Caliber Hit-probability (With no range estimation or aiming errors)
50 meters 100 meters 200 meters 300 meters 400 meters 500 meters 600 meters 700 meters 800 meters
M16A2 5.56×45mm 100% 100% 100% 100% 98% 90% 79% 63% 43%
AK-74 5.45×39mm 100% 100% 100% 99% 93% 81% 66% 51% 34%

Шаблон:Multiple image

Rifle evaluation study

The following Summary has been taken directly from the "Rifle Evaluation Study", United States Army, Combat Development Command, ADA046961, 20 Dec 1962.[5] Additional information can be found in "Rifle Evaluation Study", United States Army, Infantry Combat Developments Agency, ADA050268, 8 Dec 1962".[173]

Note: This is the first time that the United States Army compared the AR-15/M16 and the AK-47.

From Rifle Evaluation Study, United States Army, Combat Development Command, ADA046961, 20 Dec 1962.[5]
Factor AR-15/M16 M14 AK-47
Length Superior Acceptable Superior
Weight Superior Acceptable Acceptable
Weight with bipod Superior Unacceptable None
Reliability Unacceptable Superior Acceptable
Durability Acceptable Superior Unknown
Maintenance Acceptable Acceptable Acceptable
Position disclosure effect Acceptable Acceptable Unacceptable
Grenade launching capability Unacceptable Unacceptable None
Ease of handling Superior Acceptable Superior
Provision for bayonet Acceptable Acceptable Acceptable
Combat firing Acceptable Acceptable Acceptable
Night firing capability Unacceptable Acceptable Unknown
Ammo weight Superior Acceptable Acceptable
Automatic rifle mode
0–100 m Superior Unacceptable Superior
100–400 m Superior Unacceptable Unacceptable
400–600 m Acceptable Unacceptable Unacceptable
Semiautomatic fire
0–400 m Superior Acceptable Unacceptable
400–600 m Acceptable Superior Unacceptable
Penetration: Helmets
0–400 m Acceptable Superior Acceptable
400–600 m Unacceptable Superior Unacceptable
Penetration: Vests
0–400 m Acceptable Superior Acceptable
400–600 m Acceptable Superior Unacceptable

Night firing

The AR-15 was not equipped with any flash suppressor during the conduct of this test. Also, there was only a small amount of ammunition available for use in the AK-47. As a result, the night firing capability of both the AR-15 and AK-47 were not properly tested. In a subsequent test at Fort Benning an AR-15 equipped with a flash suppressor was tested against both the M14 and the AK-47. The AK-47 was not equipped with a flash suppressor.[173]

From "Rifle Evaluation Study", United States Army
Infantry Combat Developments Agency
ADA050268, 8 Dec 1962[173]
Method Visual detection range (m)
AR-15/M16 M14 AK-47
Unaided eye 75–100 100–125 225–250
6×30 binoculars 200–225 225–250 350–375

Worldwide usage

Шаблон:Multiple image

References

Шаблон:Reflist

Notes

Шаблон:Reflist

Further information

Шаблон:Refbegin

  • "Tales of the gun: The AK-47", History Channel documentary
  • "Tales of the gun: The M-16", History Channel documentary
  • "Great Battles: AK-47 vs M16", Military Channel documentary
  • Шаблон:Cite book

Шаблон:Refend

External links

Шаблон:AK-47 derivatives Шаблон:ArmaLite AR-10 derivatives

Партнерские ресурсы
Криптовалюты
Магазины
Хостинг
Разное

  1. ↑ Шаблон:Cite book
  2. ↑ Шаблон:Cite journal
  3. ↑ Шаблон:Cite book
  4. ↑ Шаблон:Cite web
  5. ↑ 5,0 5,1 5,2 5,3 5,4 5,5 Ошибка цитирования Неверный тег <ref>; для сносок dtic.mil не указан текст
  6. ↑ Шаблон:Cite web
  7. ↑ The AK-47: Kalashnikov-series assault rifles. "Endless comparisons have been made between the world's two most widely used rifles. Such comparisons, especially if meant to demonstrate that one is better than the other, must be made with caution. While both are intended for close to moderate-range combat, these are two different weapons with different design philosophies, which use different materials and manufacturing techniques and very different tactical employment concepts. Their ammunition is also very different and this too has a major influence on their effectiveness." By Gordon L. Rottman. Osprey Publishing. Copyright 2011. page 64
  8. ↑ 8,0 8,1 8,2 8,3 8,4 Weapon Of Mass Destruction. Washingtonpost.com. Retrieved on 2011-11-19.
  9. ↑ 9,0 9,1 9,2 Шаблон:Cite web
  10. ↑ 10,0 10,1 10,2 10,3 Report of the M16 rifle review panel. Department of the Army. dtic.mil. 1 June 1968
  11. ↑ 11,00 11,01 11,02 11,03 11,04 11,05 11,06 11,07 11,08 11,09 11,10 11,11 Danford Allan Kern The influence of organizational culture on the acquisition of the m16 rifle. m-14parts.com. A thesis presented to the Faculty of the US Army Command and General Staff College in partial fulfillment of the requirements for the degree Master of Military Art and Science, Military History. Fort Leavenworth, Kansas 2006
  12. ↑ Шаблон:Cite web
  13. ↑ Commandant approves M4 as standard weapon for Marine infantry Шаблон:Webarchive - Militarytimes.com, 26 October 2015.
  14. ↑ 14,00 14,01 14,02 14,03 14,04 14,05 14,06 14,07 14,08 14,09 14,10 14,11 14,12 Шаблон:Cite web
  15. ↑ 15,00 15,01 15,02 15,03 15,04 15,05 15,06 15,07 15,08 15,09 15,10 Шаблон:Cite web
  16. ↑ 16,0 16,1 16,2 16,3 16,4 Jane's Guns Recognition Guide, Ian Hogg & Terry Gander, HarperCollins Publisher, 2005, p.287 Sturmgewehr 44 "This is the father of all assault rifles, developed in Germany in 1941-42 an using a new short cartridge. Originally known as the MP 43 (Machine Pistol) for Nazi political reasons, it was renamed the "Sturmgewehr 44" after its successful introduction into battle on the Eastern Front. It introduced the concept of using a short cartridge with limited range in order to permit controllable automatic fire and a compact weapon, and because experience showed that most rifle fire was conducted at ranges under 400 meters. After the war it was examined and dissected by almost every major gunmaking nation and led, in one way and another, to the present-day 5.56mm assault rifles."
  17. ↑ 17,0 17,1 17,2 17,3 17,4 17,5 Шаблон:Cite web
  18. ↑ 18,0 18,1 18,2 18,3 18,4 Military Small Arms Of The 20th Century, 7th Edition, 2000 by Ian V. Hogg & John S. Weeks, p.243
  19. ↑ 19,00 19,01 19,02 19,03 19,04 19,05 19,06 19,07 19,08 19,09 19,10 19,11 19,12 19,13 19,14 19,15 19,16 Major Thomas P. Ehrhart Increasing Small Arms Lethality in Afghanistan: Taking Back the Infantry Half-Kilometer. US Army. 2009
  20. ↑ Military Small Arms of the 20th Century. 7th Edition. Ian V. Hogg & John S. Weeks. Krause Publications. 2000. page 242–243
  21. ↑ Шаблон:Cite web
  22. ↑ Шаблон:Cite web
  23. ↑ 23,0 23,1 23,2 Шаблон:Cite web
  24. ↑ Chapter 1. Symbol of violence, war and culture Шаблон:Webarchive. oneworld-publications.com
  25. ↑ 25,0 25,1 Шаблон:Cite web
  26. ↑ Шаблон:Cite news
  27. ↑ History of AK-47 Gun – The Gun Book Review. Popular Mechanics (2010-10-12). Retrieved on 2012-02-09.
  28. ↑ Шаблон:Cite book
  29. ↑ 29,0 29,1 [1] Шаблон:Webarchive Small Arms Identification and Operations Guide-Eurasain Communist Countries. by Harold E. Johnson. September 1973. U.S. Army Foreign Science and Technology Center of the U.S. Army Materiel Command.
  30. ↑ Шаблон:Cite news
  31. ↑ The Daily Telegraph Interview with AK-47 rifle inventor Mikhail Kalashnikov. Russia celebrates Mikhail Kalashnikov's 90th birthday - the designer who armed the world. This online supplement is produced and published by Rossiyskaya Gazeta (Russia), which takes sole responsibility for the content.
  32. ↑ 32,0 32,1 Richard R. Hallock, Colonel (retired) of US Army M16 Case Study Шаблон:Webarchive March 16, 1970
  33. ↑ 33,0 33,1 33,2 Шаблон:Cite book
  34. ↑ The M16. By Gordon L. Rottman. Osprey Publishing, 2011. page 6
  35. ↑ [2] Шаблон:Webarchive |CUT DOWN in its Youth, Arguably Americas Best Service Rifle, the M14 Never Had the Chance to Prove Itself. By Philip Schreier, SSUSA, September 2001, p 24-29 & 46
  36. ↑ Шаблон:Cite book
  37. ↑ Leroy Thompson (2011). The M1 Carbine. Osprey Publishing. p. 35. Шаблон:ISBN.
  38. ↑ Arms of the Chosin Few. Americanrifleman.org. Retrieved on 2011-11-23. (Archive)
  39. ↑ Donald L. Hall An effectiveness study of the infantry rifle (PDF). Report No. 593. Ballistic Research Laboratories. Maryland. March 1952 (released March 29, 1973)
  40. ↑ Fanaticism And Conflict In The Modern Age, by Matthew Hughes & Gaynor Johnson, Frank Cass & Co, 2005
  41. ↑ Шаблон:Cite web
  42. ↑ Шаблон:Cite web
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  45. ↑ 45,0 45,1 45,2 45,3 Шаблон:Cite web
  46. ↑ Шаблон:Cite web
  47. ↑ 47,0 47,1 47,2 Pikula, pp. 36, 38
  48. ↑ Pikula, Major Sam. The ArmaLite AR-10. Regnum Fund Press, 1998. Шаблон:ISBN. pp. 27-29
  49. ↑ Pikula, Sam (Major), The ArmaLite AR-10, p. 38: Later changed to titanium.
  50. ↑ Pikula, pp. 27-30
  51. ↑ Шаблон:Cite journal
  52. ↑ Pikula, pp. 39-40
  53. ↑ 53,0 53,1 53,2 53,3 53,4 53,5 Шаблон:Cite web
  54. ↑ Шаблон:Cite journal
  55. ↑ Шаблон:Cite web
  56. ↑ Lee Emerson M14 Rifle History and Development Шаблон:Webarchive. October 10, 2006
  57. ↑ Green Beret in Vietnam: 1957-73. Gordon Rottman. Osprey Publishing, 2002. p. 41
  58. ↑ Hutton, Robert (ed.), The .223, Guns & Ammo Annual Edition, 1971.
  59. ↑ 59,0 59,1 Peter G. Kokalis Retro AR-15. nodakspud.com
  60. ↑ Шаблон:Cite book
  61. ↑ GX. The Guard Experience. The Pride of the Guard. by Major Darrin Haas. Volume 10. Issue 3. 2013. Page 67. "Nicknamed a 'Mattel toy' because of its small caliber and lightweight design, the M16 became the standard service rifle for U.S. forces in Vietnam in 1967. The weapon was much lighter compared to the M14 it replaced, ultimately allowing Soldiers to carry more ammunition. The air-cooled, gas-operated, magazine-fed assault rifle was made of steel, aluminum alloy and composite plastics, truly cutting-edge for the time. Designed with full and semi-automatic capabilities, the weapon initially did not respond well to wet and dirty conditions, sometimes even jamming in combat, due most specifically to the Army Ordnance Corps' intentional use of an incorrect powder load in the 5.56x45mm cartridge. After a few minor modifications, and the Army Ordnance Corps' egregious sabotaging of the cartridge was rectified, the weapon gained in popularity among troops on the battlefield. Still in service today, the M16 has been largely phased out by the M4 carbine, and is typically seen in the hands of reserve units, or some squad designated marksmen.
  62. ↑ 62,0 62,1 62,2 Шаблон:Citation
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  103. ↑ Phillip Killicoat Weaponomics The Economics of Small Arms. Department of Economics. Oxford University. September 2006
  104. ↑ AK-47 Inventor Doesn't Lose Sleep Over Havoc Wrought With His Invention Шаблон:Webarchive. FOXNews.com (2007-07-06). Retrieved on 2011-09-27.
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    • See inside cover for distribution statement.
    Headquarters, Department of the Army OCTOBER 1998
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  116. ↑ Rates of fire By William S. Frisbee Jr. "When you reload an M-16 the bolt locks to the rear which helps the shooter realize his magazine is empty. After removing the previous magazine and inserting the new one you still have to release the bolt before you can fire (a simple operation really). The AK-47 and other similar weapons have the bolt go home. This can be confusing for the shooter because it could indicate a jam or empty magazine. After removing the magazine and attaching the new one the AK gunner has to pull the charging handle to the rear in order to put a round in the chamber. This method is much slower than an M16 and in the confusion can be easier to fumble.
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  142. ↑ Venola, Richard (2005). "What a Long Strange Trip It's Been". Book of the AR-15 1 (2): 6–18.
  143. ↑ M68 Close Combat Optic Шаблон:Webarchive. Armedforces-int.com. Retrieved on 2012-02-09.
  144. ↑ Procurement of Ammunition Шаблон:Webarchive. Estimates for fiscal year 2005. Department of the Air Force. February 2004
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  146. ↑ Marines Pleased, So USMC Orders $660M More ACOG Rifle Scopes. Defenseindustrydaily.com (2005-08-15). Retrieved on 2012-02-09.
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  151. ↑ GX. The Guard Experience. The Pride of the Guard. by Major Darrin Haas. Volume 10. Issue 3. 2013. Page 67. "Although the AK-47 is an extremely rugged and reliable weapon, it’s less accurate and has a less effective range than the M16."
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  154. ↑ 154,0 154,1 154,2 The Gun. by C. J. Chivers. Simon and Schuster Publishing, Sep 6, 2011. page 206. Taken from the Long Range Dispersion Firing Test of the AK-47 Assault Rifle, U.S. Army Foreign Science and Technology Center. August 1969. "Just how mediocre? Two decades later, the U.S. Army would hold long-range firing tests with Kalashnikov variants, including three Soviet, two Chinese, and a Romanian model. At 300 meters, expert shooters at prone or bench rest positions had difficulty putting ten consecutive rounds on target. The testers then had the weapons fired from a cradle by a machine, which removed human error. At 300 meters, the ten-rounds group fired in this manner had a minimum dispersion of 17.5 inches, compared to the 12.6 inches with an M-16, the American assault rifle fielded in Vietnam as a reaction to the Kalashnikov's spread."
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  160. ↑ Gun Digest Book of the AR-15, Volume 2 By Patrick SweeneyШаблон:Page needed
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  190. ↑ New M855A1 Enhanced Performance Round smashing expectations (Video). 9/06/12. by Max Slowik.
    "One of the first units to be issued the M855A1 is the 1st Brigade 101st Airborne Division. Chief Warrant Officer (CW2) Daigle of the 101st ABN had the following comments to say about the new cartridge:
    • After being issued the round, testing it on ranges and finally taking it into combat, not a single negative review has followed
    • Soldiers rave about it—its "stopping power" is amazing say most soldiers
    • I have spoken to TF Bastogne snipers that say they have killed enemy combatants at 700m with this new round
    • I have personally hit targets on known distance ranges at 600m
    • There is no question that this round has increased accuracy at greater distances and much improved through and through issues.
      The M855A1 EPR may be green, and reports are still pretty thin, but it very well could be the ammo the Army was asking for all along. It is more effective all around, with improved penetration through Kevlar, mild steel, concrete, and vehicle components like doors and auto glass and even helicopters bodies, to name a few, and better accuracy, higher velocities, less wind sensitivity and more precision complementing its superior terminal results."
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  248. ↑ Шаблон:Cite web "The HK416 (5.56 mm) was developed by Heckler & Koch for U.S. special operations forces as a major product improvement of M4/M16-type carbines and rifles. Using the HK-proprietary gas piston system found on the G36, the HK416 does not introduce propellant gases and carbon fouling back into the weapon’s interior, making it the most reliable of any M4/M16 type weapon. The HK416 has been combat-proven in Southwest Asia and has also gained the attention of military, law enforcement, and security users outside of the US. In April 2007, the HK416 was selected as the new Norwegian Army rifle. The origins of the HK416 began with the realization of the deficiencies of the internal piston operating system found on conventional M4/M16-style weapons. Input from the users of current M4/M16-type arms, high-speed video assessment, and extensive live-fire testing in extreme operational environments such as the U.S. Army Desert Proving Ground in Yuma, Arizona revealed multiple areas for improvement. Improvements were made to the internal operating system and miscellaneous component parts to improve reliability in best and worse case scenarios, with all types of ammunition, with all barrel lengths and with and without sound suppressors attached. An innovative free-floating 4-quadrant rail system designed by HK allows all current accessories, sights, lights, and aimers used on M4/M16-type weapons to be fitted to the HK416. This HK rail system and can be installed and removed without tools. The HK-proprietary gas system uses a piston driving an operating rod to control the function of the bolt, preventing propellant gases and the associated carbon fouling from entering the weapon’s interior. This increases the reliability of the weapon and extends the interval between stoppages. It also reduces operator cleaning time, heat transfer to the bolt and bolt carrier, and wear and tear on critical components. To improve reliability, service life, and operator safety during obstructed bore occurrences or after extreme extended firing sessions, the HK416 uses barrels produced by Heckler & Koch’s famous cold hammer forging process. The highest quality steel is used in this unique manufacturing process producing a barrel that provides superior accuracy for more than 20,000 rounds with minimal degradation of accuracy and muzzle velocity. HK416 variants are available with 10.4-, 14.5-, 16.5-, and 20-inch (264, 368, 419, 508 mm) barrels. Some HK416 variants also have "OTB" (Over-the-beach) capability and can be safely fired after being submerged in water and not completely drained. In addition to the improvements in the baseline weapon, HK has produced a corrosion resistant steel magazine and a proprietary buffer to improve functional reliability. An add-on single shot 40×46mm grenade launcher module can be quickly attached to the rail system of all models without tools. HK has applied its proven and fielded Safety Blank Firing Attachment and Live Round Excluder Magazine technology to the HK416, eliminating the possibility of live rounds being loaded into and fired through a standard issue weapon outfitted for blank firing only. The HK416 is available as complete carbine or rifle or as a "drop-in" HK416 upper receiver module for use on the lower receivers of existing M4/M16 type weapons."
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