An early Lyman 55 peep sight, made between 1950 -1959. This sight is complete and fits into the two attachment holes on the left flat-receiver side. This is a RW sight with S stamped underneath that will fit Winchester Model 67, Remington Models 33, 34, 41A, 510, 511-514, 550 and Savage model 23A, B C, and D. It will also fit teh Stevens Model 15 & 15A, Springfield 120, Marlin 100-102 JC Higgins 103, 18 & 41, Jefferson, Colteer, Wards and New Haven Arms 273 & 283..
