50-200 USD depending on condition.
Bolt Action .22 single shot rifle made from 1948-1970.
Yes they are interchangeable. The 580 is a single shot bolt action and the 581 is a clip fed bolt action.
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.
Are you sure of the model number?
Contact Remington
If this is a Colt single action army, it was made in 1874.
There is no Remington 238 caliber, If you mean .223, about $250, depending on condition.
22 cal. single action colt frontier serial# 34170K was made in 1968
your colt single action scout was made in 1964.