FIELD: weapons and ammunition.
SUBSTANCE: device includes barrel receiver 1, breech piece 2, barrel 3, gas engine 4 with pusher 5 and movable parts: stock with restrictor 7, recoil spring 8 and bolt carrier assembly 9. During shooting the powder gases from barrel 3 enter gas engine 4 and move pusher 5 which acts on stock 6, which brings bolt carrier assembly 9 and all movable parts of the gun into action. Restriction of movement of movable parts at recoil occurs at interaction of restrictor 7 with breech piece 2.
EFFECT: simpler gun design and higher reliability of its operation.
1 dwg
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