MACHINE GUN Russian patent published in 2010 - IPC F41C7/00 F41A9/39 

FIELD: weapons and ammunition.

SUBSTANCE: machine gun with round belt feed system consists of barrel, breech box with bolt, breech box cover with spring-loaded slider and bottom feed fingers, belt feed mechanism cover with top feed fingers and cartridge case deflector tube. Breech frame has rammer to rotate about breech frame axis which consists of S-like case and two spring-loaded hooks with their dimensions selected to allow one of them to catch next rammed round case bottom and another one to enter cartridge chamber with breech frame in front position. Rammer case has screw groove. Breech box cover inner surface has ledge to enter aforesaid screw groove. Note here that the distance between breech frame and case deflector tube axes makes half the rammer height.

EFFECT: reduced sizes, higher reliability.

3 dwg