1959
Proofhouse.com has Colt sn data.
22 cal. single action colt frontier serial# 34170K was made in 1968
Your colt frontier scout .22 mag was made in 1962.
You can look it up at proofhouse.com
serial # 56649
You will have to call Colt or provide the serial number.
A Colt frontier scout with serial number 127580F was made about 1960.
No serial number given.
No way to answer without the serial number.
You will have to call Colt with the serial number to find out.
Made in 1958.
1961