The Hornady Frontier XM193 5.56 NATO 55gr FMJ is a high-volume, military-grade ammunition solution designed for high-intensity tactical training, range use, and reliable performance in modern sporting rifles. Produced at the Lake City Army Ammunition Plant, this load is built to strict M193 specifications, utilizing a 55-grain Full Metal Jacket bullet to ensure smooth feeding and consistent cycling in semi-automatic platforms. Loaded to 5.56 NATO pressures, it achieves a blistering muzzle velocity of 3,240 FPS, offering the flat trajectory and increased energy characteristic of official military-issue rounds. Packaged in a bulk 150-round box, this Frontier offering is a staple for shooters who demand dependable, brass-cased ammunition that mirrors the performance of duty-spec loads for extended training sessions. Hornady Frontier XM193 5.56 NATO 55gr FMJ Oriented Ammunition (150/Box) FR2015