Description PRODUCT DETAIL:Caliber: .223 Remington Projectile: Full Metal Jacket (FMJ), Copper Jacketed, Lead Core Casing: Brass, Reloadable Muzzle Velocity: 3240 fps Muzzle Energy: 1282 ft/lbs Made in the USA by Frontier Cartridge with Hornady Bullets Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.