" I expect it would be easier to find a 4" 625 .45 Colt than a 4" 25-5 with correct diameter throats."

I am looking at trading my Colt 1911 series 80 1991 Government Model for one of these. The 25-5 is a 1980, 4inch, with a pinned barrel and hogue grips. I don't have a serial number yet but will check the gun out in the next day or so. The seller says the throats measure 10 thousandths over spec of .452-.453. Not being a math wiz, but knowing my decimals that would mean the measurement is out to 4 places, .4521-4531. Is that even possible to measure with digital calipers? Even if he means over by 1/100ths that would still be in spec, right? .453-.454.

Any thoughts on whether it is a good deal......I am suspecting yes depending on condition of the gun but with the way Colt is going it could be kind of hard to find any new 1911s.

Thanks for any feedback.