This heavy 44 Magnum field-proven pistol and handgun ammo offers maximum firepower ammunition. This round is designed for super deep penetration at revolver speeds, but will mushroom and penetrate less deeply at rifle speeds. This equates to a solid 3 feet of penetration in muscle and bone and at rifle speeds roughly two feet of penetration in muscle and bone. Series Strictly Business Caliber 44 Rem Mag Application Target Shooting Bullet Type Hard Cast Lead Flat Nose Bullet Weight 305 gr Muzzle Energy 1189 ft lbs Boxes Per Case 12 Rounds Per Box 20 Casing Material Brass Muzzle Velocity 1325 fps Unit Of Measure box