Английская Википедия:3"/21 caliber field gun

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Шаблон:Infobox weapon

The 3"/21 caliber gun (spoken "three-inch-twenty-one-caliber") was a field gun for United States Navy and United States Marine Corps. They were a simple horse-drawn artillery gun that were mostly used by the Marines. The guns have also been described as Boat Guns but information on type of mounts has not been found.[1]

Description

The Mark 1 was intended as a support gun for landing operations. It was of simple monobloc construction with a Fletcher breech mechanism with down swinging carrier, and used a hydraulic recoil piston that was screwed onto the gun directly. It most likely used bagged ammunition with a Шаблон:Convert projectile at a velocity of Шаблон:Convert. Range was Шаблон:Convert at 19.5 degree s of elevation.[1]

Surviving pieces

Guns No. 5 and 6, built in 1875, had been restored and were located in St. Clair, Pennsylvania as of 2004.[1]

References

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Шаблон:Artillery-stub