This Remington manufactured 22 1/2" long octagon barrel is for the No. 4 single shot rolling block rifle in 32 rimfire caliber with a takedown frame (non-solid frame variation) and is in good condition exhibiting a dark brownish gray patina with scattered specks of older rust. The bore is dark and moderate pitting is present. The barrel is marked "Remington Arms - Union Metallic Cartridge Co., / Remington Works Ilion, New York U.S.A.".  (file photo)

Note: Remington No. 4 rolling block rimfire rifles in 32 rimfire and of the takedown variation with the following serial numbers have been observed with this part:

Takedown Frame: J282251 (A) & J-305717