The Underwood Ammo Xtreme Penetrator delivers exceptional penetration performance in .45 ACP +P with 200 grain solid monolithic projectiles achieving 1000 FPS muzzle velocity and 444 ft-lbs of energy.Underwood Ammo Xtreme Penetrator .45 ACP +P200 grain solid monolithic projectile designNickel-plated brass casing for reliability1000 FPS muzzle velocity444 ft-lbs muzzle energy20 rounds per box packagingEngineered for maximum penetration and terminal performance this premium ammunition is ideal for defensive applications and hunting where deep consistent penetration is required.