This factory manufactured 20 3/4" long barrel with collar is for the earlier 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 early variation barrel has the ramp front sight permanently attached unlike the late variation which is mounting with a dovetail notch.  (file photos)

Note: Sears, Roebuck & Co. model 3T semi-auto rimfire rifles with the following serial numbers have been observed with this part: 13624, 14662 & 74160