FIELD: weapons.SUBSTANCE: invention relates to firearms. Essence of invention consists in the fact that barrel is movable with forward-backward stroke by means of handle of gate connected to it, first sear is connected with nose with latch, tail with pull rod of trigger, and also connected to a feeler installed in a compression spring and moving along the master, the second sear is connected to piston post, which in collision with the second sear is starting to spin and move the hammer forward, which leads to shooting on the barrel exit, wherein with the recoil momentum separation during the barrel forward stroke, the recoil time is stretched out, by the other end the second sear is connected to the pull rod of the catcher of the firing shots, which is connected to the gas engine, on the barrel channel axis the springs and the buffer are installed to soften the barrel impacts, both forward, and backward, firearms feeding system comprises T-shaped guide for cartridges and sleeves, bed for cartridges and axial cartridges, reflector of sleeves and axial cartridges and guillotine made with possibility of movement in T-shaped guide of cartridges and sleeves.EFFECT: technical result is maximum reduction of recoil of weapon with powerful cartridge, which will increase accuracy and accuracy of all types of fire.1 cl, 14 dwg
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