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: 223 RemBullet Type: Hollow Point MatchBullet Weight: 55 grMuzzle Energy: 1282 ft lbsMuzzle Velocity: 3240 fpsRounds Per Box: 150Boxes Per Case: 8Application: HuntingCasing Material: BrassHazair: Yes