society > armed hostility > military equipment > weapon > missile > ammunition for firearms > [noun] > bullet or shell > bullet > outer casing (3)
In various technical applications. The outer casing of a rifle-ball.
A hard casing, typically made of metal, that partially or fully surrounds the core of a bullet, protecting it from the effects of heat of…
Usually without hyphens. A metal casing which fully surrounds the lead or other core material of a bullet; (also) a bullet with such a casing.