The Colt Trooper MK III .357 with serial number J11918 was manufactured in 1975. Colt's production of the Trooper MK III series began in 1969 and continued until 1983, with serial numbers indicating the year of production.
You will have to call Colt with the serial number.
your colt trooper was made by colt in 1961.
your colt trooper was produced in 1968.
The information I have shows that your colt trooper was made in 1961,but it does not show the B prefix to a serial number.
your colt trooper was made in 1962.
Your colt trooper was made in 1966.
What year is a trooper mark 3 serial 10192j.With the serial number that you have provided,your Colt Trooper mark III was made in the year 1975.
1967
Impossible to answer without the serial number.
Your colt trooper was made by colt at the end of 1968.
Impossible to answer without the serial number.
Proofhouse.com has Colt sn data.