depends on the pistol but older models were wood and steel and newer ones are usually a hard plastic and steel.
In Hartford, Connecticut.
100
'Colt'.................
Proofhouse.com has Colt sn data. That prefix was put on pistols made between 1981 and '83.
Depending on what it is, yes. You have to call Colt to find out for sure.
No published data
Yes, Colt has and continues to make automatic pistols.
Colt's
Colt, Remington, Smith and Wesson
I believe Colt pistols ARE sold in Canada, however, SOME Colt firearms are restricted arms under Canadian law, and require special permits to purchase.
No
1970 to 1983.