Henry Big Boy in .44 Magnum with 20-inch octagon barrel and American walnut stock. One of the most popular lever-action rifles for hunting and recreation. Type: Rifle Action: Lever-Action Caliber: .44 Magnum Capacity: 10 Year introduced: 2004, USA Weight: 43 oz Overall length: 38.5" Status: Active Intended use: Hunting, Recreation, Home Defense