This Ruger manufactured first variation blue finished 18 1/2" long barrel assembly with early variation brass bead front and folding rear sight is for the model 10/22 semi-auto carbine in 22LR caliber and is in very good condition with light wear and a few scattered specks of rust. This first variation barrel has the pre-factory warning rollmark. (file photo)

Note: Ruger model 10/22 semi-auto rifles with the following serial numbers have been observed with this part:

10/22R: 198421