This Winchester manufactured late variation 22" long barrel in 22LR caliber is for the model 77 semi-auto rimfire rifle designed for the detachable magazine and features the hold open button on the right rear section of the barrel. This barrel is in very good condition retaining most of its original blue finish with a few scattered specks of faint surface rust and some light wear. The bore is bright and rates excellent. (file photos)

Note: Firearms with the following serial numbers have been observed with this barrel: N.S.N.