Henry Big Boy Classic chambered in .327 Federal Magnum with 20-inch octagon barrel. The .327 Fed Mag is a high-pressure small-bore cartridge offering flat trajectory and magnum performance in a compact case. An unusual levergun chambering. Type: Rifle Action: Lever-Action Caliber: 327 Federal Mag Capacity: 10 Year introduced: 2018, USA Weight: 43 oz Overall length: 38.5" Status: Active Intended use: Recreational, Hunting