This heavy 44 magnum field-proven pistol and handgun ammo offers maximum firepower ammunition.It 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.Caliber: 44 Rem MagBullet Type: Semi-Jacketed Flat PointBullet Weight: 300 grMuzzle Energy: 1126 ft lbsMuzzle Velocity: 1300 fpsRounds Per Box: 20Boxes Per Case: 12Application: Home DefenseCasing Material: BrassHazair: Yes