This is a Factory Original Replacement rear sight folding leaf, in used condition. It fits the following models: SEARS 45 GLENFIELD 778, 120 MARLIN 444, 444S, 444SS MARLIN 1894C, 1894CL, 1894CS MARLIN 60SSK, 60SB MARLIN 1895, 1895S MARLIN 983, 983S MARLI