Wolf Gold M193, 5.56x45mm NATO, FMJ, 55 Grain, 20 Rounds. Wolf Gold is manufactured in Taiwan using premium powder and components and offers exceptional quality at a value price. Unlike typical Wolf steel cased ammo, Wolf Performance Gold is Brass Cased, Boxer Primed, and fully Re-loadable. Furthermore, the non-corrosive smokeless powder charge is meticulously calculated for consistent performance from round to round. Each round features a 55-grain full metal jacket projectile with a true copper jacket so all surfaces are nonmagnetic. Comes in 20 round box.