SYSTEM OF AUTOMATIC WEAPON SUPPLY Russian patent published in 2010 - IPC F41A9/57 

FIELD: weapons and ammunition.

SUBSTANCE: system of automatic weapon supply comprises guide neck fixed with one end at receiving window of weapon, and with its other end - on magazine cartridge belt. Guide neck is arranged of two telescopically joined parts in dimensions of cartridge with link with account of clearance for passage of cartridge belt. Lower part of neck is inserted into upper part of neck fixed on weapon. Radius of necks bend in area of their connection matches horizontal axis of weapon rotation.

EFFECT: invention provides for compact structure of automatic weapon power supply system.