info on a colt

My local gun store has a Colt MK IV S80 .45 acp they are selling on consignment. It's got a match barrel, trigger and action job, and custom wood grips with adjustable sights. Seems to be in really good shape. They're asking $620 for it. Anyone know about these mid 80's to 90's Colts? Is that...

In the early 2000s (02 or 03 perhaps) I bought a Colt Government model that if my memory is correct had the word "Limited" in it's name. Fixed sights, factory installed Smith and Alexander beavertail, ambi-safeties if I recollect properly. It was a hell of a shooter. I sent off to Novak to...