This Marlin manufactured inner magazine tube assembly is for the Marlin model 40 Coast to Coast semi-auto rimfire rifles manufactured before June of 1975 and is in very good condition with light wear and a tarnish to the brass tube. If your rifle was manufactured in 1975, it will have a serial number that starts with a "25". If your rifle has the band type front sight then this magazine tube assembly is correct for your rifle.  (file photos)

Note: Firearms with the following years of manufacture and serial numbers have been observed with this part:

 1971: 71474846