FIELD: sporting ammunition, concerns metal cartridges for cartridges of smoothbore guns. SUBSTANCE: in the metal case representing a thin-walled tube with a bottom provided with a primer cap and flange for the ejector, a thickening is made on the inner side of the tube on the side of the muzzle end up to the bore diameter, the outer edge of the muzzle end is chamfered. EFFECT: full matching of the outlet with the bore, and as a result, enhanced sharpness and close grouping of fire. 2 cl, 1 dwg
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