Description Federal Black Pack 223/5.56mm Ammo 55 Grain FMJ 150 Rounds Manufacturer: FEDERAL AMMO Caliber: 223 REMINGTON/5.56MM NATO AMMO Bullet Type: Full Metal Jacket Muzzle Velocity: 3240 fps Muzzle Energy: ft. lbs Primer: Boxer Casing: Brass Casing Ammo Rating: Target & Practice 223 Remington/5.56MM NATO Ammo 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.