Winchester 1866 44-40 Win Lever Action Short Rifle for sale. This is the genuine Yellow Boy. The original. The authentic. The Winchester Model 1866 epitomizes the winning of the American West. But that is not all. It remains until today as a key example of the American industrial revolution. A revolution that was sweeping the world, changing world history forever. This is the rifle that made Oliver Winchester one of the great industrialist of the 19th Century, and set him on a path of firearms innovation and manufacturing prowess that became the stuff of legend. The feature list below is rich. Whether for the joy of shooting, for cowboy action shooting or for a special hunting experience, this 1866 is ready.