Picked up my Police Traded Glock 21 today. Happy with price and gun itself. The frame serial number matches slide and barrel, but has a "1" prefix added. My lgs is pretty sure that means the frame was replaced at some point - does this sound accurate? From what I have googled, it seems right. I don't see any issues with this.......
http://i870.photobucket.com/albums/a...psa2f64566.jpg