Henry Big Boy in .45 Colt with 20-inch octagon barrel and brass receiver. Pairs naturally with single-action revolvers for cowboy shooting and ranch use. Type: Rifle Action: Lever-Action Caliber: .45 Colt Capacity: 10 Year introduced: 2004, USA Weight: 43 oz Overall length: 38.5" Status: Active Intended use: Cowboy Action, Hunting, Recreation