Your colt frontier scout K model was made in 1961.
22 cal. single action colt frontier serial# 34170K was made in 1968
A Colt frontier scout with serial number 127580F was made about 1960.
No serial number given.
1959
@1968
No way to answer without the serial number.
In 1968.
In 1959
One.
Made in 1958.
1958
1961