Sight, Front ORIGINAL Winchester 75B - This front sight was used when greater post height was necessary on the Winchester Model 1903 and other 22 rifles such as the Model 53 55 61 62, 63, 64, 65,74 and the later production 1890 -- this sight is the same as the 75A, but has a slightly higher blade height and has the Winchester Patent date stamped on the top. Many of the later production .22 rifles had this special order sight put on at the factory.