AUTOMATIC SMALL ARMS WITH BELT AND MAGAZINE FEED Russian patent published in 2012 - IPC F41A9/37 

FIELD: weapons and ammunition.

SUBSTANCE: automatic small arms comprise a barrel (1), a barrel receiver (2), a bolt (3), a bolt support (4), a breech (5), a belt feed device (6), a removable magazine case (7), a a recoil spring (8). On the barrel receiver (2) there are guides "a", interacting with slots "b" of the bolt support (4). To ensure the possibility of ramming cartridges into the barrel (1) at the upper location of the belt feed mechanism (6) and the lower location of the removable magazine case (7), in the bolt support there is a window "c", and the recoil spring (8) is located upstream the belt feed mechanism (6). The bolt (3) comprises three ledges "e", "f", "g". Ledges "e" and "f" are designed to ram a cartridge from a belt depending on the direction of belt feed, and the ledge "g" - for ramming a cartridge when supply is selected from the removable magazine case 7.

EFFECT: improved operational characteristics and reduced dimensions of automatic small arms.

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