Check out some real nice Brass Cased PPU 5.56 Ammo . This ammo comes in either 1000 or 400 rnd cases. If you haven't heard of Prvi Partizan, they are a prolific Serbian manufacturer / distributor of different types of ammo . They are based out of Uzice (Serbia). Grabbed yourself a cool new Makasi Rifle ? Load it up with the best ammo you can find! Have an AK47 ? Try out some 7.62 TelaAmmo instead!