Around 1978 or 1979.
Your Colt combat commander was made in 1977.
your colt combat commander was made in 1972.
The colt combat commander was made from the years 1971-1980.
Colt has never made a 9mm ruger combat commander
Your Colt commander was made in 1976.
Your Colt commander was made in 1977.
Your Colt was made in 1977.
1976
The best I can do is say that your colt Combat commander series 80 was made from 1983-1996.
It was made in 1977.
colt combat commander has a steel frame, the regular commander has one made of alumimum. this is the main difference.
You will have to call Colt to find out.