MAGAZINE GUN BOLT MECHANISM Russian patent published in 1996 - IPC

FIELD: small arms, particularly, magazine guns with movable fore grip. SUBSTANCE: invention involves for enhanced serviceability of the bolt mechanism by decreasing the load on the receiver at the instant of fire and for more tight locking, the sliding block in the bolt mechanism with a rocking wedge is positioned in the bolt. A feather tongue engageable with the groove on the barrel collar is made in the bolt. The groove on the collar is made on the side opposite to an extractor slot. Motion to the bolt mechanism is imparted from the movable fore grip controlled by the shooter's hand. At backward motion of the fore grip the bolt moves to the extreme rear position. At forward motion of the fore grip the bolt gets closed. EFFECT: improved design. 2 cl, 3 dwg