It's the tube that houses the 22caliber ammunition for a Marlin Model 60 22 Caliber Rifle.
An inner magazine tube is a component found in certain firearms, typically lever-action rifles or shotguns. It serves as a channel to guide and hold cartridges inside the gun's magazine, allowing for the feeding of ammunition into the chamber during cycling.
I assume your are referring to the tube magazine. there is not box magazine. at the tip of the barrel, underneather, you will see a knob. turn the knob and remove the inner magazine tube....................
Try e-gunparts.com
A Marlin Model 60 is a very popular rifle. To find an inner magazine tube for this firearm, you can turn to your local gun dealer. There are also a variety of online resources available that will offer this piece for sale.
These are available from Numrich gun parts. Inner tube about $25, outer tube about $15
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We have original inner magazine tube assemblies in stock. sales@countrygunsmith.net
Correct terminology is 'inner magazine tube assembly.' The BAR22 and BPR22 used the same part, we occasionally have them for around $23.
We have original inner magazine tube assemblies for that rifle in stock. sales@countrygunsmith.net
I would start my search at Numrich Gun Parts Corp.
Gun shows, want ads, gun shops
Try Numrich Arms, they have a website and a lot of used and new parts.
To remove the magazine tube from a Model 1890 Winchester rifle, first ensure the gun is unloaded. Then, press the tube release button near the muzzle and slide the tube out carefully. Some models may require unscrewing the end cap before removing the tube completely. Refer to the owner's manual for specific instructions.