WHAT DOES WOLF 308 AMMO MEAN?

Inside the CZ-82 I've fired about 5000 rounds of each inexpensive (Tul, Silver Bear, Brown Bear) in addition to Fiocchi, and Privi ammo which i are actually in the position to get my palms on and have never once experienced a stovepipe, mis-fire, jam, or almost every other failure. The gun is so trustworthy it has become my bedside desk companion (