The Hornady Frontier .300 Blackout 125gr FMJ is a high-volume, supersonic ammunition solution designed for reliable performance and consistent cycling in both semi-automatic and bolt-action rifles. Produced at the Lake City Army Ammunition Plant, this load utilizes a 125-grain Full Metal Jacket bullet that offers the flat trajectory and high-speed energy characteristic of supersonic .300 Blackout loads. With a muzzle velocity of 2,175 FPS, it is engineered to ensure dependable feeding in AR-15 platforms, making it an ideal choice for high-intensity range use, tactical training, and plinking. Packaged in a bulk 150-round box, this Frontier offering provides shooters with a cost-effective way to achieve dependable, brass-cased performance for extended training sessions and high-round-count drills. Hornady Frontier .300 Blackout 125gr FMJ Oriented Ammunition (150/Box) FR402