Federal Premium handgun loads are the best around. Hydra-Shok is the first choice for many military and law enforcement officials across the globe, while Expanding Full Metal Jacket (EFMJ) is unmatched in non-hollow point technology. EFMJ provides higher energy, more reliable expansion, lower risk of collateral damage and reduced recoil vitally important features for a personal defense round. Federal's HST provides near 100% weight retention through most barriers. Consistent expansion, optimum penetration and superior terminal performance, its specially designed hollow point won t plug while passing through a variety of barriers. Product Specifications: Caliber:9mm Bullet Type:Hydra-Shok JHP Bullet Weight:124 GR Muzzle Energy:345 ft lbs Muzzle Velocity:1120 fps Rounds Per Box:20 Boxes Per Case:25 Application:Performance/Protection Casing Material:Brass