Description PRODUCT DETAIL:Caliber: .223 Remington Bullet Weight: 55 Grain Bullet Type: Full Metal Jacket Boat-Tail (FMJBT) Muzzle Velocity: 3240 fps Muzzle Energy: 1282 ft/lbs Rounds Per Box: 100 Rounds Application: Match/Range/Target Casing Material: Brass 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.