PNEUMATIC GAS-CYLINDER SUBMACHINE GUN Russian patent published in 2003 - IPC

FIELD: weapon equipment, in particular, pneumatic weapon for acquiring the elementary habits in shooting. SUBSTANCE: pneumatic gas-cylinder submachine gun has a reservoir with compressed air, body, breechblock, firing spring, barrel, striker, gas-cylinder cavity made for connection to the barrel bore through the gas passage, valve-actuating gear of the gas-cylinder cavity, trigger and a sear. Inserted in the body seat is a replaceable holder with a cylindrical magazine vertically positioned in it with a spring-loaded feed lever for placement of charges, and a gas cylinder. Located in the upper part of the holder is a rotating striker pin made for power contact with the valve of the valve-actuating gear at a pressure of the breechblock on it. The rotating striker pin with the aid of a compression spring is spring-loaded relative to a fixed stop, and the striker is positioned between the breechblock and the stop, also spring-loaded relative to the fixed stop with the aid of the fire compression spring. The restraining arm extended from the striker towards the breechblock is made for stopping the breechblock at the end of its travel, when the load is removed from the compression spring with the aid of the breechblock cocking handle. A through hole is made in the lateral surface of the holder perpendicularly to the bore, the cylindrical channel of the magazine adjoins it from the bottom in the vertical central axis; located in the through hole for turning is a cylindrical bolthead made a diameter through duct for reception of the charge from the magazine. Gas ducts are made in the holder body, which connect the valve-actuating gear of the gas-cylinder cavity to the bore and to the horizontally positioned piston cylinder made in the body section located in the breechblock cavity. EFFECT: enhanced reliability of operation of the submachine gun and minimized leakage of the working gas. 1 dwg