You will have to call Colt
Go to proofhouse.com for Colt combat commander serial numbers.
The Colt commander with that serial number was made in 1955.
Colt combat commander with that serial number was produced in 1968.
Your Colt commander was made in 1977.
Call Colt with the sn and they will tell you.
your colt combat commander was made in 1972.
What is the production year of a colt combat commander with serial number 70sc5572? Early 1972.
Your Colt was made in 1975.
You must all Colt. The serial number you list is not in the proper range.
The records I have show a Colt combat commander with serial number CLW0015879 as being produced in 1972.
That Colt combat commander 70BS69785 was produced in 1978.
Are you sure about that serial number??