This Remington manufactured unmarked open sight step is for the model 511 Scoremaster bolt action rimfire rifle and is in very good condition with light wear.  (file photo)

Note: Remington model 511 Score master bolt action rimfire rifles with the following date codes have been observed with this part: AH (March 1939), KH (May 1939), DH (Sept. 1939), EK (October 1941), RK (November 1941), ATT (March 1948), PTT (June 1948) & XTT (Dec. 1948).