A very rare Rear Folding Sight ORIGINAL Winchester for rifles. This rear sight folds flat and can be sighted from either the upright or flat position much like the No 34C Expresss.. This sight will fit on a number of Winchester rifle models including the 1866, 1873, 1876, 1886, 90, 92, 94, 95 and 1903, 04, 05, 07 and 1910. This sight will also fit on Remington, Marlin, Savage and some Stevens rifles.
