Description American made and military grade are the hallmarks of Frontier Cartridge. This line of ammo gives shooters the best of both worlds. It is configured for a wide range of shooters and applications, from target/match shooting to varmint hunting. Frontier Cartridge features brass cartridge cases and military grade boxer primers and propellant.Caliber: 300 BlackoutRounds Per Box: 20Casing Material: BrassMuzzle Energy: 1313 ft lbsMuzzle Velocity: 2175 fpsGame Type: Small GameApplication: HuntingBoxes Per Case: 10Bullet Type: Full Metal JacketBullet Weight: 125 gr