FIELD: weapons and ammunition.
SUBSTANCE: group of inventions relates to weapons, namely to small arms, method of its production and method of operation of firearms. Gun includes breech, breech frame, piston, load, tube, gas dosing plug, foresight unit. Breech has multiple combat shoulders. Piston is formed at breech and has set of rings. On breech carrier assembly with which articulated gate, there is cam with double cutout. Weight arranged to move in breach carrier assembly, and is centered by springs. Weight is configured to prevent rear and front rebound of breech carrier assembly.
EFFECT: higher reliability of firearms.
32 cl, 46 dwg
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