Hornady Frontier Ammo 223 Rem 55 Gr Hollow Point Match™ CONSISTENCY IN EVERY CARTRIDGEState-of-the-industry loading techniques and quality control procedures ensure the reliability of every Frontier® Cartridge round.ROUNDS FOR ALL APPLICATIONSFrontier® Cartridge offers ammunition configured for a wide range of shooters and applications, everything from plinking, target shooting and hunting to law enforcement training and self-defense.BRASS CASESIn addition to Hornady® target friendly, non-steel core bullets in a variety of offerings, Frontier® Cartridge features brass cartridge cases and military-grade boxer primers and propellant.