Proofhouse.com has Colt sn tables.
22 cal. single action colt frontier serial# 34170K was made in 1968
Proofhouse.com shows 1970 ending with serial number 24542F , so it would probably be sometime in the middle to late 70's
That Colt frontier scout was made in 1959.
1959
No
Not recommended.
A nice pistol
100-400
Your colt frontier scout K model was made in 1961.
A Colt frontier scout with serial number 127580F was made about 1960.
@1967
Impossible to answer without a year.