| 摘要 |
FIELD: small arms barrels for a cartridge with an elastic bullet. ^ SUBSTANCE: the bore is made with a longitudinal corrugation, the corrugations are symmetrical relative to the barrel longitudinal axis in its each cross-section. In a special case, the barrel may be made of fastened outer cylindrical and inner corrugated pipes. ^ EFFECT: prevented fire by rigid (metal) bullets or makes it ineffective. ^ 2 cl, 3 dwg |
