Английская Википедия:AR-57

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Шаблон:Infobox weapon The AR-57, also known as the AR Five Seven, is available as either an upper receiver for the AR-15/M16 rifle or a complete rifle, firing 5.7×28mm rounds from standard FN P90 magazines.[1][2]

It was designed by AR57 LLC.[3]

Design

The AR-57 PDW upper is a new design on AR-15/M16 rifles, blending the AR-15/M16 lower with a lightweight, monolithic upper receiver system chambered in 5.7×28mm. This model is also sold as a complete rifle, supplied with two 50-round P90 magazines.[4] The magazines mount horizontally on top of the front handguard, with brass ejecting through the magazine well. AR-15/M16-based STANAG magazines can be used to catch spent casings by taking out the feed lips, spring and follower.[5] Sheet metal brass can also be used on the AR-15/M16 lower.[5]

Various scopes and other accessories can be mounted on the picatinny rail.[6]

Unlike the standard AR-15 configuration which uses a gas-tube system, the AR-57 cycles via straight blowback.[7] A fully automatic version exists and was marketed as a competitor to the P90 and other personal defense weapons.[8]

Suppressed versions are also available.[8]

User

References

Шаблон:Reflist

External links

Шаблон:ArmaLite AR-10 derivatives


Шаблон:Rifle-stub

  1. Шаблон:Cite web
  2. Шаблон:Cite web
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  5. 5,0 5,1 Шаблон:Cite web
  6. Шаблон:Cite web
  7. Шаблон:Cite web
  8. 8,0 8,1 Шаблон:Cite web
  9. Шаблон:Cite web
  10. Шаблон:Cite web