Wolf Performance Ammunition (WPA) contracts various ammunition manufacturers to make their Wolf line of ammo. Wolf Gold ammunition is brass cased and boxer primed whereas WPA ammunition is steel cased and Berdan primed. The WPA ammo is manufactured in Russia and or Ukraine. The Wolf Gold ammo is manufactured in Taiwan.
Anyway, here is a video review of the Wolf Gold 223 ammunition. It’s inexpensive and good quality….stock up!