about 1907
@1968
Per proofhouse.com, the Colt single action army with that serial number was made sometime after 1978.
I assume your single action is pre-war ? If so, then made about 1907. As to the caliber, check markings on barrel. that should give the caliber.......
The Colt Single Action Army revolver with the serial number SA31171 was manufactured in 1974. The Colt Single Action Army, also known as the Colt .45, has been produced in various years since its introduction in 1873, but this specific serial number indicates a production date in the mid-1970s.
The Colt Single Action Army revolver with serial number 82026SA was manufactured in 1976. Colt's production records indicate that this serial number falls within the range associated with that year. If you have specific features or markings on the revolver, they can also help confirm its production date.
What you have is a Model 1885 Single Shot (high-wall) shotgun that was manufactured in the year 1913.
The Colt Single Action Scout Buntline with the serial number 43169K was manufactured in 1970. Colt's serial number system indicates that this specific model was produced during that year. If you need more detailed information about the firearm, consulting Colt's official records or a firearms historian could be beneficial.
not sure
A Colt single action 1860 army with that serial number was made in 1866.
your colt single action was made in 1970.
Your colt single action army dates to 1881 with the serial number you provided.
If it is Colt single action army, then it was made in 1889.