FIELD: weapons and ammunition.
SUBSTANCE: apparatus for cooling a machine-gun shaft comprises a main jacket with a coolant, an inner jacket with a coolant and a valve for withdrawing the vapor-liquid mixture into the environment which encloses the barrel; wherein the main casing is enveloped by the outer casing with openings, and the side gap between them is filled with a porous material.
EFFECT: reduced consumption of coolant for shot and increased firing ammunition from machine gun without increase of coolant reserve.
1 cl, 1 dwg
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