This Remington manufactured rear sight assembly is for the model 581 bolt action rimfire rifle and is in very good condition with light wear. (file photo)
Note: Firearms with the following serial numbers have been observed with this part: 36399, 1194377, N.S.N., 1004015, 1149412, 1185309, 1216554, 1222184, A1011895 & A1045818 B1022394
