This Winchester manufactured first variation outside magazine tube is for the early model 290 semi-auto rimfire rifle with the synthetic front sight and integral synthetic magazine tube support band on the underside of the barrel. These rifles typically have a serial number below 100,000. The overall condition is very good with light wear, some specks of surface rust, and some of the metal turning a brown patina. (file photos)

Note: Firearms with the following serial numbers have been observed with this part: N.S.N. & 59481.