No
The Western Field model 880 was made by Colt. It was the Colt Colteer semi-automatic .22 LR rifle.
Your colt frontier scout 22lr was produced in 1960.
Yes
Would need model name. There are a few pistols designated .22LR.
@ 1971
LR stands for Long Rifle which means the pistol uses a .22LR caliber bullet
You must call Colt with the serial number.
Proofhouse.com has Colt sn data.
your colt was made in 1963.
You must call Colt with the serial number to find out.
Your .22lr Peacemaker was made in 1975.
That serial number is for a Colt Frontier Scout K Model chamberd in 22LR.