I've had one (Pantera in .40) for about a year now, around 3k rounds so far. It worked like a dream for the first five rounds, then it turned in to a nightmare and ran full auto. The seller fixed that issue, but it came back with another problem: the hammer fell to half-notch every now and again. I ended up buying a kit from Cylinder & Slide and changed out the hammer, sear and disco myself. Ended up with a nice and safe triggerpull.
The mags were nothing but trouble in the beginning. They would drop in recoil of loaded to anything more than 13 rounds, and misfeeds was the rule not the ex