This Ruger manufactured second 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 second variation barrel has the pre-factory warning rollmark. (file photo)

Markings: This barrel has the later markings after the company became Incorporated: Sturm, Ruger & Co., Inc. / Southport, Conn. U.S.A.

Note: Ruger model 10/22 semi-auto rifles with the following serial numbers have been observed with this barrel: 110-70943