Taylor's & Co 1866 Yellowboy in .45 Colt with 20-inch barrel and brass receiver. An Uberti reproduction of the Winchester 1866 — the first rifle with a loading gate and the predecessor to the 1873. Type: Lever-Action Rifle Action: Lever-Action Caliber: .45 Colt Capacity: 10 Year introduced: 1993, Italy Weight: 8 oz Overall length: 39.5" Status: Active Intended use: Cowboy Action, Collecting, Collector