Description PRODUCT DETAIL:Cartridge: 357 Magnum Grain Weight: 142 Grains Configuration: (20 Boxes of 50) Muzzle Velocity: 1420 Feet Per Second Muzzle Energy: 650 Foot Pounds Bullet Style: Full Metal Jacket Lead Free: No Case Type: Brass Primer: Boxer Corrosive: No Reloadable: Yes 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.