Complete bolts are quite expensive and are available for the old or new model for around $60. Magazines are $25 and are available from Numrich gun parts as the Marlin model 80. I'd suggest going to a local gun show and trying to pick up a junker parts rifle to repair yours.
your marlin/glenfield was made in 1974.
Your Glenfield model 60 was produced in 1989.
your glenfield was made in 1968.
1980.
Your serial number indicates that your Glenfield model 25 was made in the year 1976.
With the serial number that you have provided,your Glenfield model 30A was made in the year 1977.
With the serial number that you have supplied,your Marlin(Glenfield) rifle was made in the year 1980.
Your Glenfield model 25 was made in the year 1988.
With the serial number that you supplied,your Glenfield model 60 rifle was made in the year 1978.
With the serial number that you have provided,your Glenfield model 60 rifle was made in the year 1976.
1979.
1978