FIELD: weapons and ammunition.
SUBSTANCE: invention refers to military equipment. A gun barrel cooling system has a barrel and a bolt. In addition, a piston compressor, either one-pass or two-pass, is installed, the piston-rod of which is connected in a movable manner with one of its ends to the bolt or to a bolt, and with its other end to a piston by means of a pin, and a receiver is connected to an outlet valve with the compressor cylinder; the receiver air line is directed to the barrel channel cartridge chamber.
EFFECT: improving cooling efficiency of gun barrels in submachine guns, auto-machine guns, heavy-calibre machine guns and automatic cannons.
1 dwg
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