Mike Faires
Member
I have a Colt Goverment Model 38 Super in reading the books I have determined that the way to identify the differance is the location of the Rampant Colt on the slide in combination heavy versus thin barrel. It would certainly be simpler to identify by serial number range but what do I know. Can anyone provide the od of each style barrel at the muzzle if that is were the differnece is determined. If that is not where the measurement is taken please provide same. For reference my serial number is 645xx, made in 1948 I think.