Henry Big Boy in .44 Mag with 20-inch brass-alloy receiver, American walnut stock, and octagon barrel. The Big Boy is Henry's premium centerfire lever-action, all-American made and mechanically refined. Type: Rifle Action: Lever-Action Caliber: .44 Mag Capacity: 10 Year introduced: 2001, USA Weight: 138.88 oz Overall length: 38.5" Status: Active Intended use: Hunting, Cowboy Action Shooting, Plinking