This factory manufactured 20 3/4" long barrel with collar is for the Sears, Roebuck & Co. / Ted Williams model 3T No. 273.528111 semi-auto rimfire rifle and is in very good condition exhibiting a mixture of thinning original blue finish with a brownish gray patina and possibly having a few specks of surface rust. The bore is bright and rates excellent.  (file photos)

Note: Sears, Roebuck & Co. / Ted Williams model 3T semi-auto rimfire rifles with the following serial numbers have been observed with this part: R239978, R344002 & R376862