WEAPON BREECHBLOCK Russian patent published in 1998 - IPC

FIELD: small arms and guns. SUBSTANCE: breechblock 2 has a hole that receives the tail end of trigger-lever plunger 3. Part of the tail end projecting from the breechblock is engageable with frame 1 at its counterrecoil. In case extractor 5 is not actuated by spring 4 at a counterrecoil, frame 1 gets engaged with the projecting part of trigger-lever plunger 3 and through the latter forces extractor 5 to than to the working position of complete grip of the shoulder of cartridge case 6. EFFECT: enhanced reliability of weapon functioning due to forced turn of the extractor in case of a failure of its spring. 2 cl, 1 dwg