The Taylor's & Company 1866 Yellowboy is a reproduction of the Winchester Model 1866 lever-action rifle in .44-40 Winchester with a 20-inch barrel. The 1866 is distinguished by its brass receiver — the source of the Yellowboy nickname. One of the first successful lever-action repeating rifles, introduced commercially by Winchester in 1866. Type: Rifle Action: Lever-Action Caliber: .44-40 Win Capacity: 13 Year introduced: 1975, Italy Weight: 9 oz Overall length: 40.5" Status: Active Intended use: cowboy action shooting, historical collecting