1850-1974, depending on which of the 37 possible models you have. A detailed description of all markings, caliber, etc. is needed to narrow it down.
What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
You will have to call Colt to find out.
Proofhouse.com has Colt serial number tables.
No serial number given. You will have to call Colt.
No way to answer without a serial number.
You did not provide a serial number.
Impossible to answer without the serial number. You can call Colt and they will tell you.
The last Colt Commando serial number was in the 50,000 range.
Your colt 1911a1 was made by colt in 1945.
Your colt was made in 1956.
it was made by Colt in 1917
made by Colt in 1913