AUTOMATIC SMALL ARMS Russian patent published in 2018 - IPC F41C3/00 F41A3/78 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to armaments, namely to automatic small arms. Automatic small arms have a barrel, a receiver, a gas venting mechanism, a barrel trunk locking system, a trigger mechanism, a sighting device, a butt, a magazine. Locking system of the barrel bore consists of crank-jointed levers, including a crank and a connecting rod, connected by an axle. One of the ends of the crank is connected to the axis in the back of the receiver. Valve is connected by an axis to the connecting rod and is located above the magazine in the front part of the receiver. Gas engine is mounted on top of the barrel. Gas engine stem enters the top of the receiver and has an inclined surface at the end. Stem return spring is located above the barrel, and the return spring of the valve is installed in the fire control handle.

EFFECT: increased accuracy of weapons, a decrease in recoil, as well as a reduction in weight and a reduction in overall dimensions.

1 cl, 3 dwg