Granted, I don't tend to prefer it as SHTF ammo except in my AK's, but it works fine in all of my guns 99.99% of the time, including AR15's, etc...
I just use it for practice/training/plinking.
For clarification, when I refer to Wolf, I am almost always referring to their steel cased ammo.
Wolf (steel case) is actually being made in Ukraine now last I checked. It used to be made by Tula in Russia. Now TulAmmo is making the ammo in the Tula plant in Russia. QC has dropped significantly at the Tula plant since Wolf stopped having it made there. I wont shoot that ammo anymore. Too many issues with hard primers and crap like that.
Tula is making Herters as well last I checked. That is found at Cabela's.
Also, the Wolf Gold (Brass Case) is often outsourced and made by companies like Fiocchi and Prvi Partizan. That is quality ammo.