This Marlin manufactured fourth variation barrel is for the model 99C semi-auto rimfire rifle and is in very good condition retaining most of its original blue finish with light wear. This barrel is for a rifle manufactured after June of 1975 as the barrel has a threaded hole for the screw mounted style ramp front sight and a dovetail on the underside for a magazine tube band.   (file photos)

NOTE: Firearms with the following year or serial number have been observed with this part:

1977: 23403855 &  23423755