This factory manufactured 20 3/4" long barrel with collar is for the later manufactured Sears, Roebuck and Co. model 3T No. 273.2390 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. The late variation barrel has the dovetail notch for mounting the later style front sight.  (file photos)

Note: Sears, Roebuck & Co. model 3T semi-auto rimfire rifles with the following serial numbers have been observed with this part: 115165