Description Winchester Copper Impact ammunition combines Winchester's extensive experience into a product engineered specifically for big game and deer hunters. The Copper Extreme Point bullet is a solid copper expanding projectile with an oversized impact diameter. A bigger impact diameter means more impact trauma, better energy transfer, and larger wound cavities for faster knockdown. This ammunition is new production, non-corrosive, in boxer primed, reloadable nickel-plated brass cases.PRODUCT DETAIL:Cartridge: 6.8 Western Grain Weight: 162 Grains Quantity: 20 Round Muzzle Velocity: 2875 Feet Per Second Muzzle Energy: 2973 Foot Pounds Bullet Style: Polymer Tip Lead Free: Yes Case Type: Brass Primer: Boxer Corrosive: No Reloadable: Yes G1 Ballistic Coefficient: 0.564 G7 Ballistic Coefficient: 0.224 Velocity Rating: Supersonic Country of Origin: United States of America 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.