This was the Winchester factory issued ORIGINAL 77C front sight, the standard for Winchester 1906, 1902, and 1904, with some placed on the Model 61 and 62 Winchester 22 rifles. This was also a special order sight on the 1890. Sights are all in good condition and they are 0.310 inches high with correct Winchester dovetail measurements. This sight was also used on the 1885, 1895, 1894, and some other lever-action rifles.