This book is an exact reproduction of a Winchester factory reference guide for sights. It was for in factory use and was never released to the public. It shows the front and rear factory sights used for each barrel configuration for the models produced up until Jan, 1917. It starts with the Model 1873 and goes up to the Model 12. The first part of the book lists in order the model, barrel configurations offered and the correct front and rear sight for each. The second part shows the drawings done by the Engineering Dept. of the actual sights. This book is a quick and easy to use reference guide for both sights and barrel configurations of many of the early Winchester models. This book is 88 pages and is deluxe softbound.