I have had a few hours to tinker with the frame, slide and barrel today. I assume the frame is cast, I can't find any casting lines anywhere and the machining is good. The finish is thin in a few spots but will be covered by grips and thumb safety. The finish is PVD something and seems good but for the thin spots. The slide went on the frame well, not super tight like high end pistols but not rattle loose either. After a few strokes with my stone on the barrel hood end the barrel dropped right in, it is nice and tight. I put the barrel, bushing and slide on the frame and dropped in a slide stop. It moved in and out of lock up very smoothly, I don't think it is riding the link. The rear of the slide is about 1/16" long of the frame, I'm going to file the barrel lug feet where they meet the slide stop to try to even it up. They grip safety fit well also, the thumb safety is going in the trash. I'm into this so far 600$ and still need sights. The slide is Novak cut so fitting sights should be OK. If it shoots decent I'll be happy with my low end railed 1911. One thing I can't figure out is why ramp the barrel, the other way works well.