AUTOMATIC SMALL ARMS Russian patent published in 2018 - IPC F41C3/00 

FIELD: small arms.

SUBSTANCE: invention relates to automatic small arms. Automatic small arms contains a barrel, receiver, gas vent, trigger mechanism, butt, magazine, barrel locking system. System of locking the barrel is a group of rod and bolt rod-connected with check lever axis. Check lever with its free end is connected by an axle to the rear part of the receiver, and a connecting rod with a bolt. In the forward position of the gate, the trunk is locked with a chain of check lever – connecting rod – bolt, the axis of connection of the check lever with a connecting rod is above the “dead point”. When fired, the gas piston removes the blocking group of the barrel from the “dead point”, retracts the bolt for cocking, extraction of the liner, dispensing of the cartridge. Impacts with elements of the receiver do not occur. Recoil spring installed in the handle returns the bolt, check lever and connecting rod to its original state, the gas piston is returned by its own spring.

EFFECT: technical result is an increase in the accuracy of shooting, weight reduction, an increase in the service life of automatic components for automatic small arms.

1 cl, 3 dwg