FIREARM BREECHBLOCK Russian patent published in 2002 - IPC

FIELD: firearm sliding breechblocks. SUBSTANCE: the firearm breechblock having a breechblock carrier with a cam slot, receiver with slots and lugs consists of a cylindrical tail piece, head with a bearing surface, locking and guide lugs. The breechblock is provided with a rotary coupling representing a split ring, on whose outer surface the locking and guide lugs are made, and with a head installed between the bearing surface and an additional lug made on the cylindrical surface of the tail piece. The breechblock head is made integral with the tail piece. Due to it, technical and service misalignment of the breechblock head and breechblock tail piece is prevented. EFFECT: enhanced structural strength of the breechblock. 4 dwg