Allegiance Ammunition PowerStrike 9mm Luger 115 Grain Ballistic Tip Round Nose Brass Cased Pistol Ammo, 20 Rounds, 9MMPS-L115-20

When PowerStrikes impacts soft fluid filled tissue and begins to fragment it picks up the surrounding damaged tissue and rams it forward being aided from the Pressurized fluid with exponentially increases the frontal area of the shock wave and wound cavity causing increased hydrostatic shock.