My Gold Cup experience wasn't so great. I used mine for matches put on by the local sheriff's department. First issue was that it wasn't reliable and would choke occasionally. Never could pin that down, the gun would jam once in awhile at random for no obvious reason. Second problem was losing the front sight in the middle of a string of fire. There one shot, gone the next. Easy enough fix, but that shouldn't happen. Then the hollow roll pin in the rear sight broke. Again in a string of fire during a match. Last thing before I shipped the gun out to a Gold Cup fan was that one of the collet bushing legs broke. No more Gold Cups for me.
I had exactly, EXACTLY, the same issues with mine, and I sold it and bought an Essex frame/slide gun that outshot it, and was more reliable to boot, and had nice Wichita adjustable sights already milled into the slide. The sharp edges on the slide could slice you well when clearing it, too. All in all, I don't miss that Gold Cup any at all. I've had plenty of other 1911s since then, and ALL of them outshot that particular GC, too, including two LW Commanders, which would shoot groups inside the patterns the GC shot. Currently, I've got a RIA FS that is twice the gun that Colt was (among others). No more Gold Cups for me, either.