Hornady's Frontier FR100 223 Remington ammunition is designed for precision and reliability. This American-made ammo features military-grade components, including brass casings and boxer primers. The 55-grain full metal jacket bullets deliver consistent performance in a variety of applications, from target shooting to varmint hunting. With its high muzzle velocity of 3240 feet per second and impressive muzzle energy of 1282 foot-pounds, this ammo is well-suited for shooters who demand accuracy and power. Frontier Cartridge's commitment to quality is evident in every round, making it an excellent choice for those seeking a reliable and effective cartridge. Fast shipping ensures that you can get your hands on this top-notch ammunition quickly. Key Benefits and Features: Caliber: 223 Rem Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 55 gr Muzzle Velocity: 3240 fps Muzzle Energy: 1282 ft lbs Rounds Per Box: 20 Casing Material: Brass