The Hornady Frontier .223 Rem 55gr FMJ is a high-quality, cost-effective ammunition solution designed for high-volume range use, tactical training, and plinking. Produced at the Lake City Army Ammunition Plant through a partnership with Hornady, this load combines military-grade brass and primers with Hornady’s consistent 55-grain Full Metal Jacket projectiles to ensure reliable cycling in both bolt-action and semi-automatic rifles. With a muzzle velocity of 3,240 FPS, the lead-core, copper-jacketed bullet offers a flat trajectory and the dependable performance shooters expect from a match-grade brand at a competitive price. Packaged in a standard 50-round box, this Frontier offering is an ideal choice for AR-15 owners who demand consistent accuracy and smooth feeding for everyday target practice and drills. Hornady Frontier .223 Rem 55gr FMJ Oriented Ammunition (50/Box) FR1005