Introducing Wolf Performance Steel Case 7.62x39mm Ammo 123 Grain Full Metal Jacket. Wolf Ammunition is an excellent choice for the high volume shooter as it delivers consistent quality and reliability at a very affordable price. This ammunition features a Mil-Spec Laquer coating. High quality primers deliver reliable ignition and functioning in adverse conditions. This ammunition is new production, non-corrosive, Berdan primed, in non-reloadable steel cases.