MACHINE GUN Russian patent published in 2010 - IPC F41C7/00 F41A9/38 

FIELD: weapons and ammunition.

SUBSTANCE: machine gun with round belt feed system consists of barrel, breech box with bolt, breech box cover and gas deflector tube. Besides it comprises drum with round seats with its front end coupled with gas deflector tube rear edge to revolve about its axis. Said drum has channel for breech frame to pass through, channel inner surface being furnished with circular star-like ledge with the number of teeth being equal to that of aforesaid screw grooves to enter said grooves. Spring-loaded retainer is arranged inside said drum representing a hollow cylinder with ledges that have shape that ensures their interact with the next round in belt.

EFFECT: higher reliability.

3 dwg