The Wilson Combat Lehigh Xtreme Defense 10mm 150 Grain ammunition delivers exceptional stopping power with 1300 FPS muzzle velocity and 563 ft lbs of muzzle energy for premium defensive performance.Wilson Combat Lehigh Xtreme Defense 10mm ammunition150 grain bullet weight for optimal performance1300 FPS muzzle velocity563 ft lbs muzzle energyPremium brass casing construction20 rounds per boxEngineered for serious defensive applications this premium 10mm ammunition combines Wilson Combat's quality standards with Lehigh's innovative bullet design for reliable terminal performance.