The Henry Repeating Arms Henry Big Boy Classic .357 Mag is a usa-made lever-action rifle chambered in .357 Magnum, introduced in 2004. Primary use: hunting. Type: Rifle Action: Lever-Action Caliber: .357 Magnum Capacity: 10 Year introduced: 2004, USA Weight: 96 oz Overall length: 42.5" Status: Active Intended use: hunting