Impossible to answer without a detailed description.
If your Colt Stagecoach was made from 1965 - 1968 it will not have a serial number.
What is the age of a Colt rifle serial SLD25319
your rifle was manufactured in 1894.
Proofhouse.com has Colt sn data
The Colt lighting .22 rifle with that serial number was made in 1899.
a gunsmith needs to check both the ammo and rifle.
What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
Need serial number to answer. Look it up at proofhouse.com
1899 for a Colt lightning .22 mag rifle.
Colt lightning .22 rifle with that serial number was produced in 1903
Rifle, revolver, semi-automatic, or shotgun.
You must state if it is a rifle, revolver, semi-automatic handgun, rifle or shotgun.
If it is a Colt lightming rifle it was made about 1900.
For the .22 rifle, 1901 & for the .32,.38.& .44 rifle it would be 1891.If you have a colt lightning revolver,it was produced in 1886.
Type your answer here... 1985
No way to answer without the caliber.
Go to proofhouse .com with Colt serial number to find the date of manufacture.
Please supply the model number or name to get a answer to your question.
A Colt official police caliber.22 with the serial number 1478 was made in the first year of production ,1930.
Proofhouse.com has sn tables you can look it up on.
It is 40 years old, made in 1970.
Need to know if it is a derringer or rifle.
Would need model name to answer.
1902 for the .22rf lightning rifle and 1893 for .32,.38 & .44 cal lightning rifle.
You will have to call Colt with the serial number to find out.