Patent ID: 8176850

Claim:
A projectile for a small arms cartridge comprising: a cup having a base, a first cylindrical portion and a second cylindrical portion adjacent to the first cylindrical portion, the first cylindrical portion having a first inner diameter adjacent to the base and the second cylindrical portion having a second inner diameter that is larger than the first inner diameter; a sheath having a cylindrical rear portion and a tapered front portion, the cylindrical rear portion placed within the second cylindrical portion of the cup and the tapered front portion extending forward from the cup; and a core having a rear portion, a cylindrical portion and a conical tip, the rear portion and the cylindrical portion placed against the base and the first cylindrical portion of the cup, the cylindrical portion and the conical tip placed within the tapered front portion of the sheath, the core having a first circular ridge having an interference fit with the first cylindrical portion of the cup for holding the core and the cup together until after the projectile has struck an intended target.