Black Hills produces factory new ammunition equal to some of the best handloads and is quickly becoming one of most popular manufacturers of ammunition. Used primarily by all branches of the United State military, this ammunition is also used by competitive shooters and hunters. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.Specifications:Caliber: 338 Lapua MagnumBullet Weight: 300 GrainsBullet Style: Sierra MatchKing Hollow Point Boat TailCase Type: BrassMuzzle Velocity: 2750 fpsMuzzle Energy: 5223 ft. lbs.20 Rounds