AUTOMATIC PISTOL FOR CARTRIDGE WITH POWDER GAS CUTOFF IN CASE Russian patent published in 2012 - IPC F41C3/00 F41A5/02 

FIELD: weapons and ammunition.

SUBSTANCE: automatic pistol comprises a frame, a tube, an open bolt, a return spring with a guide, a firing mechanism, a bolt stop and a magazine. The frame in the rear part is arranged with guide ledges for interaction with response slots in the bolt. The tube comprises a front fixed and a rear movable parts. In the first part of the frame there are slots and a window for interaction with a guide ledge of the bolt. In the front part of the frame there is a slot to fix a guide return spring. In the middle part of the frame there is a ledge to stop the bolt in the end of recoil. In the upper part of the bolt there is a longitudinal channel to place a guide with a return spring. A rear sight is installed in the upper part of the bolt. The rear sight protrudes into a channel cavity, and there is a flange on the guide for interaction with the rear sight.

EFFECT: design simplification; reliability and operational parameters enhancement.

9 dwg