This Remington manufactured first variation blue finished stamped sheet metal open (rear) sight leaf is for the model 572 Fieldmaster slide action rimfire rifle manufactured during the mid 1950's and is in very good condition with some light surface rust specks.  (file photo)

Note: Remington model 572 Fieldmaster rimfire rifles with the following serial numbers and / or date codes (month and year of manufacture) have been observed with this part:

N.S.N.: BB (January 1955), AB (March 1955), CB (April 1955), OC (July 1956), WD (August 1957), & WE (August 1958)

Ser. #'s: