Navy Arms 1866 Yellowboy Short Rifle in .45 Colt — 20-inch barrel, brass receiver, walnut stock, side loading gate. The Short Rifle length splits the difference between the carbine and full sporting rifle. Type: Rifle Action: Lever-Action Caliber: .45 Colt Capacity: 12 Year introduced: 1988, Italy Weight: 8 oz Overall length: 39" Status: Active Intended use: cowboy_action, collector, historical