This Remington manufactured 22" long barrel with extension is in 300 Sav. caliber and is for the model 81 Woodsmaster semi-auto rifle. The barrel rates good exhibiting a grayish brown patina with some scattered spots of rust staining externally and a bore that is in very good condition.  (file photos)

Note: Remington model 81 Woodsmaster semi-auto rifles with the following calibers and serial numbers have been observed with this part:

300 Sav: 37443