Henry Big Boy Carbine in .45 Colt with 16.5-inch octagonal barrel and polished brass receiver. The shorter package for cowboy action competitors and hunters who prefer a lighter, faster rifle. Type: Lever-Action Rifle Action: Lever-Action Caliber: .45 Colt Capacity: 7 Year introduced: 2001, USA Weight: 6 oz Overall length: 34.5" Status: Active Intended use: Hunting, Cowboy Action, Plinking