Same as a Marlin 336. Order parts from Numrich gun parts, Hurley, NY
I would check the lower tang,under the lever.
Your Glenfield model 30A was made in the year 1979.
The value of a Marlin 3030 Glenfield 30A in mint condition typically ranges between $300 to $500, depending on factors such as the specific model year, any unique features, and current market demand. Collectors often seek out well-maintained examples, which can drive prices higher. For the most accurate valuation, it's advisable to check recent sales or consult with a firearms appraiser.
Contact the company Marlinfirearms.com for a free manual . It can be downloaded
1975
It is the exact same rifle as the Glenfield Model 30A, and yes parts are the same as the Marlin 336. Forearm is the cap style.
1980.
1976
Marlin Glenfield. http://www.marlinfirearms.com/About/History.aspx Marlin Glenfield http://www.marlinfirearms.com/About/History.aspx
With the serial number that you have supplied,your Marlin(Glenfield) rifle was made in the year 1980.
1978
1978. sales@countrygunsmith.net