FIELD: automatic firearm. SUBSTANCE: the attack rifle has a rod with a rack in the upper part for engagement with a gear wheel of the cylindrical cartridge chamber that can turn relative to the barrel through 90 deg., the rod has also a lug for engagement with the cartridge feed mechanism, besides, all the parts of the rifle mechanism have counter-recoil springs for counter-recoil and fixing of them in the initial positions. EFFECT: enhanced reliability and accuracy of fire at a simplified construction of the rifle. 18 dwg
