Henry Big Boy chambered primarily in .38 Special with 20-inch octagon barrel. Intended for Cowboy Action Shooting where lower-velocity loads are preferred for scoring. Type: Rifle Action: Lever-Action Caliber: .38 Special Capacity: 10 Year introduced: 2012, USA Weight: 43 oz Overall length: 38.5" Status: Active Intended use: Cowboy Action, Recreation, Plinking