check under grips at: gunlist.com
Single Action.
your colt single action was made in 1970.
If it is Colt single action army, then it was made in 1889.
If this is a Colt single action army, it was made in 1874.
your colt single action scout was made in 1964.
A Colt single action 1860 army with that serial number was made in 1866.
My records indicate that your 45 colt single action army was made in 1883.
You will have to call Colt with the sn to find out.
Your colt single action army dates to 1881 with the serial number you provided.
Proofhouse.com has Colt sn data.
After 1979.
what can you tell me about a colt single action 45 caliber with a 7-1/2 in. barrel serial number 52154