Description PRODUCT DETAIL:Caliber: .223 Remington Bullet Weight: 55 grain Bullet Style: Full Metal Jacket Boat-Tail Muzzle Velocity: 3,249 FPS Muzzle Energy: 1,281 ft,-lbs. Case Type: Brass Primer Type: Boxer, reloadable Corrosive: No 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.