Description PRODUCT DETAILBrand: Hornady Category: Centerfire Rifle Rounds Caliber: 7mm Rem Mag Model: Superformance Bullet Weight: 139 gr Rounds Per Box: 20 Casing Material: Brass Application: Hunting, Target Bullet Type: SST Muzzle Energy: 3239 ft lbs Muzzle Velocity: 3240 fps 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.