My local GS has a gently used Colt Series 80 MK IV blue finish .45ACP with 3-dot sight (not hi-viz... just white dot), original checkered wooden grip with Colt medallion, one magazine. Nice trigger pull... not at all heavy. Barrel bore looks to be in very good shape: clean, not hint of rust or pitting. Gun does not look abused but has been used. Probably not a daily duty weapon. Price tag says $749... I can dicker them down to $649. What say you?