FIELD: weapon and ammunition.
SUBSTANCE: service cartridge bullet design comprises the head part with shell and tail part from conic compression spring, and also the spiral charger. The spiral charger separates turns of the conic compression spring in the initial compressed state and prevents its deformation at impact of powder gases as a result of shot and movement of a bullet in a trunk.
EFFECT: bullet efficiency improvement.
3 cl, 3 dwg
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