Caliber: 45 Colt (LC) - Weight: 225 Grains - Bullet Type: Flex Tip Expanding - Muzzle Energy : 405 ft lbs - Muzzle Velocity : 900 fps - Casing Material : Brass - Rounds Per Box: 20 - LEVERevolution is the most exciting thing to ever happen to lever gun ammunition. Hornady the leader in ballistic technology brings you an innovation in ammunition performance featuring state of the industry elastomer Flex Tip Technology that is SAFE in your tubular magazine. Its higher ballistic coefficient delivers dramatically flatter trajectories for fantastic downrange energy increases and amazing bullet expansion at all ranges. It truly is an evolution in lever gun ammunition!