Try Numrich gun parts corp.
Year of manufacture for a Marlin 880 SQ, 1996
Depending on condition, about $225-$250.
Try Marlin Firearms Co., Numrich Gun Parts Corp., or Gun Parts at the link below.
numrich's gun parts has a fair selection of new and used parts for that firearm... http://www.gun-parts.com/marlin/
numrich gun parts at e-gunparts.com!
2002
Yes, the same magazine is common between the Marlin and Glenfield models 80, 780, 20 and 25. The 880 magazines are a different design that is more narrow front to back and taller.
Which model??
I have a Marlin Firearms Co. 12 gage, bolt action shotgun.
I believe it was a Marlin model 49. I had one of these myself in the 60's. If you are trying to find replacement parts, then you can use the Marlin parts as is. That is what I did, parts for Marlin are easier to find and sometimes cheaper.
Numrich Gun Parts Corporation is a good online source.
I believe that they were made by Thompson Center for Marlin. I have no idea as to how many but I can say that it is hard to find parts for them. Some parts are compatible with the Thompson Center Muzzleloaders but I can't find a reference right now.