1968
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.
This question cannot be answered without you providing the serial number to you Glenfield model 60 .22cal semi-auto rifle.
Double check your serial number. sales@countrygunsmith.net
Your serial number indicates that your Marlin model 60 was made in the year 1971.
your glenfield was made in 1968.
1971
1975.
1975.
1970
The Glenfield Model 30A, with a serial number starting with 26, was produced around 1971. Glenfield, a brand of Marlin Firearms, utilized a specific serial number system, and those starting with 26 indicate it was manufactured in that timeframe. Therefore, the rifle is approximately 52 years old as of 2023.
The Glenfield model 25 wasn't a Marlin, so determining what it actually is is not easy. Obtain a copy of Modern Gun Values and try and determine the actual manufacturer. A Glenfield version is typically worth 75% of the manufacturer's value.