Contact the company Marlinfirearms.com for a free manual . It can be downloaded
Same as a 336 Marlin. Call Marlin at (203) 239-5621 and they will send you a free manual.
With the serial number that you have supplied,your Marlin(Glenfield) rifle was made in the year 1980.
Marlin Glenfield. http://www.marlinfirearms.com/About/History.aspx Marlin Glenfield http://www.marlinfirearms.com/About/History.aspx
1980.
With the serial number that you have provided,your Glenfield model 30A was made in the year 1977.
Visit the Marlin website. They may have the owner's manual available for download. If not, they will supply you a paper copy, typically free of charge.
1978
1978
Your Marlin model 30A was made in the year 1978,with the serial number that you have provided.
1978
The Glenfield was made from 1973 to 1983. In the last production year, Marlin changed the model to 30-AS. In good condition, it's a very good deer rifle.
Do a web search. Try Nurmich Arms first.