I go to almost every crown point gun show in the winter months. About a year ago there was always one guy selling a bunch of no name ar parts. The last few times the wife and I have gone to CP gun show theres 3 or more guys selling no name ar parts and one guy had 30 to 40 complete uppers all with no manufacturer. I'm not sure I'd ever buy one, but has anyone here or know someone who has bought one? Just curious if anyone has any insight or knowledge on this.