FIELD: weaponry, in particular, gas pressure control mechanisms of automatic weapon.
SUBSTANCE: the cut-off valve of the pressure and gas cut-off control mechanism, having a cylindrical shape with a circular groove in the outside diameter and holes for passage of powder gases, is tightened in the initial position to a supporting bushing. The gas-discharge hole and the drain hole are made in the body with a shift relative to each other.
EFFECT: enhanced operating characteristics of the weapon.
2 dwg
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