Hornady Frontier .223 Remington 55gr FMJ 600-Round Case Hornady Frontier .223 Remington ammunition delivers dependable military-grade performance for range training and target shooting, available now at Battlehawk Armory in a 600-round case. This bulk package features 55-grain full metal jacket projectiles loaded to 3,240 FPS with 1,282 ft-lbs of muzzle energy. Loaded to Hornady standards for consistent feeding and reduced fouling, these rounds are a practical choice for high-volume .223 / 5.56 practice. The 55-grain FMJ design is well suited to AR-15 platforms and other .223 Remington rifles, offering reliable function for zeroing, drills, and recreational shooting. Packaged as a complete 600-round case under SKU FR502, this bulk option makes it easy to stock training ammunition without frequent reordering. A convenient 600-round case of proven Frontier .223 training ammo. Add a 600-round case of Hornady Frontier .223 Remington 55gr FMJ ammunition to your collection at Battlehawk Armory today. Specifications Manufacturer: Hornady Product Line: Frontier SKU: FR502 Caliber: .223 Remington Bullet Weight: 55 Grain Bullet Type: Full Metal Jacket (FMJ) Muzzle Velocity: 3,240 FPS Muzzle Energy: 1,282 ft-lbs Rounds: 600 (case) Application: Target Shooting / Range Training