SMALL ARMS Russian patent published in 2020 - IPC F41C7/00 F41A21/48 

FIELD: weapons and ammunition.

SUBSTANCE: small arms comprises breech frame, barrel, sliding sleeve, impact mechanism, trigger mechanism, and sighting bar. Combat thrusts of barrel receiver are made in separate insertion part, which is arranged in front part of barrel receiver. Gate is made in the form of an assembly unit made from the stem of the bolt and the battle grip. On the stem of the breech mechanism there is a guide-and-guide groove which interacts with the bolt stopping pin and when the breechblock is turned it performs primary firing of the fired cartridge, and during the breech block motion limits the breechblock rotation in the barrel receiver. Gate valve is quick-replaceable. Trigger mechanism is attached to the breech frame through an auxiliary part.

EFFECT: improved firing characteristics, increased reliability and ergonomic properties of the weapon.

5 cl, 9 dwg