Punch draws from Federal Ammunition's decades of experience designing the world's finest defensive handgun loads. The bullet's skived jacket and soft lead core produce the best expansion and penetration for the price, while its nickel-plated brass and sealed primer deliver the reliable feeding and ignition you need to protect yourself. Product Specifications Caliber: 10 mm Bullet Weight: 200 Grain Bullet Type: JHP Muzzle Velocity: 1100 fps Muzzle Energy: 537 ft lbs Quantity: 20 Rounds per box