Caliber: 454 Casull - Weight: 240 Grains - Bullet Style: XTP Jacketed Hollow Point - Case Type: Brass - Muzzle Velocity: 1900 fps - Muzzle Energy: 1923 ft. lbs. - Rounds Per Box: 20 - All Hornady Custom pistol ammo is loaded with either the famous Hornady XTP (Extreme Terminal Performance) bullet our fully-encapsulated FMJ or our new FTX bullet. All are supremely accurate and deliver maximum knockdown power.