This powerful rifle ammunition manufactured with exacting standards with the gun owner in mind.Buffalo bore produces strictly big bore ammo with massive firepower and dramatic results.Popular calibers include: 45-70 magnum lever gun heavy.444 marlin heavy 38-55 winchester heavy 348 winchester 50 alaskan heavy 35 remington sniper 223 remington sniper 308 winchester heavy 450 marlin heavy 30/30.Caliber: 300 Win MagBullet Type: Barnes Tipped TSX Lead FreeBullet Weight: 180 grMuzzle Energy: 3840 ft lbsMuzzle Velocity: 3100 fpsRounds Per Box: 20Boxes Per Case: 12Application: HuntingCasing Material: BrassHazair: Yes