This is 7.62x39 Golden Bear 123gr. Full Metal Jacket Ammo. This ammo is manufactured by JSC Barnaul Machine-Tool Plant in Russia. Barnaul is considered to be the premier ammunition factory in Russia, and it supplies most of the ammo to the Russian Military. This ammo has a unique brass plated steel case, which gives you all the characteristics of brass, at a fraction of the cost. Since this ammo is brass plated, it functions much smoother than any other steel cased ammo. This ammo looks, functions, and shoots just like brass cased ammo. This ammo is 100% non-corrosive and the primer is sealed for moisture protection. It comes packed in 20rd. boxes.