about 1875
1959
1970
After 1978.
1958
it ain't worth a monkeys left ball
Based on proofhouse.com, it was made between 1958 & 1959,
about 1976
To determine the manufacture date of a Ruger Single-Six based on its serial number, you can refer to Ruger's official records or a reliable serial number reference guide. Ruger's production dates for the Single-Six are often categorized by specific serial number ranges. You can also contact Ruger customer service for assistance in identifying the manufacture date using the serial number.
1974 Source: mine :) my precious darling I'm a gun specialist
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 S14162A was manufactured in 1976. Colt's serial number system indicates that this particular model falls within that production year. For precise information, it's often best to consult Colt's archives or a dedicated firearms historian.
Around 1885.