Cartridge 40 S&W Best Use Self Defense Grain Weight 155 Grains Quantity 20 Round Muzzle Velocity 1180 Feet Per Second Muzzle Energy 479 Foot Pounds Bullet Style Jacketed Hollow Point Bullet Brand And Model Hornady XTP Lead Free No Case Type Brass Primer Boxer Corrosive No Reloadable Yes rounds per box : 20 / 25.00 rounds per case: 200 / 250.00