Lehigh Defense XP Ammunition features the proven Xtreme Penetrator bullets. This high quality ammunition is perfect for hunting or pest control. The lead free projectiles are safe to use in any environment with no risk of lead contamination. This ammunition is new production, non-corrosive, in boxer-primed, reloadable brass cases. The Lehigh Defense Xtreme Penetrator (XP) progressive nose geometry allows for deep, straight penetration while creating a permanent wound cavity diameter exceeding that of most expanding bullets. To top it off, the bullet is solid copper and is able to overcome barriers to penetration; environmentally friendly, target unfriendly, very unfriendly, downright obnoxiously unfriendly.The magic happens with the nose design where the radial flutes force the hydraulic energy inward and then as the energy is restricted, it accelerates outward creating high pressure spikes damaging surrounding tissue. Kind of similar to sticking your thumb over a garden hose. The p...