Henry Big Boy in the classic .38-40 Winchester Center Fire with 20-inch octagonal barrel and polished brass receiver. A period-correct cowboy cartridge rarely chambered in modern production rifles. Type: Lever-Action Rifle Action: Lever-Action Caliber: .38-40 WCF Capacity: 10 Year introduced: 2004, USA Weight: 6.9 oz Overall length: 38.5" Status: Active Intended use: Cowboy Action, Collecting