This Remington manufactured early variation 24" long barrel in 22 caliber smoothbore is for the model 510-X Targetmaster bolt action rimfire rifle and is in good condition exhibiting a brown patina with a few light dings and some scattered specks of light rust. This barrel has no provision for a rear sight and is equipped with a bead front sight. The bore is bright and rates excellent.  (file photos)

NOTE: Remington model 510-X rimfire rifles with the following year/serial numbers have been observed with this part: (OM) July 1965 & (BN) January 1966