Description When lives hang in the balance, Federal Premium Personal Defense HST Handgun Ammunition has been proven to perform at its peak. Federal Premium handgun loads offer consistent expansion, optimum penetration and superior terminal performance. Hollow points won't plug while passing through a variety of barriers. Bullet jackets and cores hold together and have near 100% weight retention while penetrating even the toughest materials. These popular and effective loads trusted by law enforcement officers are now available for your specific personal-defense needs.PRODUCT DETAILCaliber: 9mm Luger Bullet Type: HST Hollow Point Bullet Weight: 147 gr Muzzle Velocity: 1000 Muzzle Energy: 326 Rounds per box: 20 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.