Frontier Cartridge FR400 Military Grade Centerfire Rifle 300Blackout 125gr Full Metal Jacket 20 Per Box/10 Case

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.