Federal PremiumA(R) Hydra-ShokA(R) has proven itself for self-defense since 1989. Hydra-Shok Deep(TM) builds off the time-tested platform with design improvements that better meet modern performance measurements. The bullet features a more robust center post and a core design that penetrate to optimal depths through the barriers most commonly encountered inself-defense situations. Penetrates 15 inches in bare ballistics gel-the ideal depth according to modern FBI standards Hits optimum penetration depths through barriers encountered in self-defense situations Iconic center post design has been improved for better, more consistent expansion Specially fo Mfg: Federal
