I assume you mean the cartridge guide spring. You will have to remove the barrel to replace the guide spring. The barrel is retained by a cross-pin through the receiver. This is a tapered pin and should be drifted out from the left side of the receiver to the right. If the barrel is tight in the receiver after the cross pin is removed, set the barrel in a padded vise and drift the receiver off to the rear using a nylon, or brass drift punch.
It is a Model 56 Marlin It is a Model 56 Marlin
The Sears Model 42DL .22 caliber rifle was manufactured by Marlin Firearms, their Model 80. Check with Marlin for parts availability.
50-135 USD
50-100 USD
The J prefix to your serial number indicates that your marlin model 39A was made in 1952.
Yes they did I own a Marlin 44-40 Winchester made 1893
1952.
The Model 49DL was made from 1975-1978.
The Model 49DL was made from 1975-1978.
The caliber should be marked on the barrel near the receiver. The Model 39 is a 22LR
You can go to Marlin's home page and print one from there. I printed one for my model 60. It is in Adobe format.
Numrich gun parts, look under Marlin/Glenfield parts list