Description PRODUCT DETAILBrand: Winchester Ammo Category: Centerfire Rifle Rounds Caliber: 7mm Rem Mag Model: Ballistic Silvertip Bullet Weight: 150gr Rounds Per Box: 20 Casing Material: Nickel-Plated Brass Application: Big Game Bullet Type: Rapid Controlled Expansion Polymer Tip Muzzle Energy: 3200 ft lbs Muzzle Velocity: 3100 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.