This load utilizes the deep penetrating-for weight barnes xpb bullet.This bullet will expand violently on flesh and bone and will penetrate roughly 24 inches, depending on impact velocity and the particular bones that may be struck.This load would be ideal for deer and black bear.Even elk sized critters can be taken if you stick with broadside or cns shots and avoid those bad angle shots.Caliber: 454 CasullBullet Type: Barnes VOR-TX XPB Lead-FreeBullet Weight: 250 grMuzzle Energy: 1700 ft lbsMuzzle Velocity: 1750 fpsRounds Per Box: 20Boxes Per Case: 12Application: HuntingCasing Material: BrassHazair: Yes