I have two lone wolf barrels, one is .40-9mm conversion non threaded, the other is .40-357sig threaded with a muzzle brake. I run reloads threw both barrels with no problems. Magpul mags are where I have problems and get to practice malfunction drills ftf.
I have had good luck with mine, I even ran them in my last class. It was a 2 day class followed by another advanced 2 day class. My 2 days it didn't rain at all. I talked to some of the guys who stayed for the 2nd class and they said once it started raining and a little mud and they would jam up where factory kept on ticking. For that reason my 6 pmags are strictly for range use. Once they're finally wore out I'll replace them with factory.Seems to be what a lot of people are starting say about the magpul mags.