AUTOMATIC WEAPON Russian patent published in 1997 - IPC

FIELD: automatic weapon. SUBSTANCE: barrel has an orifice connected through a tube to an air cylinder, whose rod serves for extraction of empty cases. An air discharge orifice is made in the air cylinder wall. Fitted on the breech is the breechblock, which through a spring rests on the butt, and an extractor slot is made in the front part of the breechblock. At a shot powder gases through the orifice in the barrel pass through the tube to the air cylinder acting on the piston, which displaces the rod. At the same time the breechblock with the case moves backwards, and the empty case under the action of the rod is extracted through the breechblock slot. EFFECT: improved design. 2 dwg