Colt first introduced the AR-15 SP1 in 1964. This model was the civilian version of the military M16 rifle and marked the beginning of Colt's production of the AR-15 platform. The SP1 became popular for its lightweight design and modularity, setting the stage for the AR-15's evolution over the following decades.
Proofhouse.com has Colt sn data.
The first 45 long colt lever rifle was made in 1985.
Not made.
The colt combat commander was made from the years 1971-1980.
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
Your Colt SAA was made in 1906.
first year of production 1955
1873
If it is Colt single action army, then it was made in 1889.
A Colt .44 1860 army model with serial number 35 was made in 1860, the first year of production.
If this is a Colt single action army, it was made in 1874.
1977 for commercial production