This Remington manufactured alloy front sight is for the Nylon 66 semi-auto rimfire rifle and is in very good condition with moderate wear. This sight has the hollow base. (file photo)

Date Codes: Remington Nylon 66 rimfire rifles manufactured on the following dates have been observed with this part: NSN: (AG) March 1960, (WH) August 1960, (OJ) July 1962, (EJ) October 1962, (BK) January 1963, (AW) March 1972, & October 1973