Then it was manufactured before January 1, 1969, when serial numbers were not required on long arms manufactured in the US.
1976
1974.
Your serial number indicates that your Marlin model 60 was made in the year 1971.
This question cannot be answered without you providing the serial number to you Glenfield model 60 .22cal semi-auto rifle.
50-100 USD
1978.
that would be a 1974 model
With the serial number provided,your Glenfield model 60 was made in the year 1973.
Your serial number indicates that your Glenfield model 60 was made in the year 1974.
Your serial number indicates that your Glenfield model 20 bolt action was made in the year 1980.
With the serial number that you have supplied,your Glenfield rifle was made in the year 1973.
your serial number indicates that your Glenfield rifle was made in the year 1977.