1873
Sometime between 1835 and today. Colt made his first handgun in 1835, and they are still in production. If you can be more specific, we may be more help.
The first 45 long colt lever rifle was made in 1985.
The colt combat commander was made from the years 1971-1980.
With the serial number that you have provided,your Colt Model 1911 was made by Colt in the year 1918.
The Colt frontier .22 model K with that serial number was made in the first year of production, 1960 as the 2nd year, 1961, started with 3088K.
A Colt .44 1860 army model with serial number 35 was made in 1860, the first year of production.
John Browning. He designed and built the first 1911s. Although John Browning designed the first 1911 hand gun, Colt actually built and sold the first ones. The year it was built for sale was in 1911, thus the model number as well. Colt still uses the number m1911.
Your colt was made in 1912.
Your Colt was made in 1977.
It was made by Colt in 1944.
That Colt ds was made in 1975.
Your colt police positive was made by colt in 1930.