Description PRODUCT DETAIL:Cartridge: 5.56 NATO Grain Weight: 62 Grains Bullet Style: FMJ Sectional Density: 1.770 Ballistic Coefficient: .274 (G1) Muzzle Velocity, fps: 3060 Muzzle Energy, ft lbs: 1289 Application: Varmint < 50 lbs, Target/Match, Personal Defense Quantity: 20 Rounds per Box 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.