Damn, I'm getting fed up with this gun.
Just put 50 rounds through it after getting it back from the gunsmith for the THIRD time and it still doesn't work.
It won't extract properly. About one in every six empties will hang halfway out of the chamber and the slide will lock open. I haved tried 5 mags of 4 different types and the pistol behaves the same with all of them. 6 people have fired it, all with the same results. First, I polished the chamber and feed ramp. I had the extracor recut, and tuned, then had a C&S extractor and extracor spring installed. The last time I had the ejector cut down, fitted, and recontoured, and it still FTEs.
I don't know what the hell is wrong with it, but it makes me appreciate my GLOCK even more.