The Henry Repeating Arms Henry Big Boy Silver .357 is a usa-made lever-action rifle chambered in .357 Magnum, introduced in 2007. Primary use: hunting. Type: Rifle Action: Lever-Action Caliber: .357 Magnum Capacity: 10 Year introduced: 2007, USA Weight: 96 oz Overall length: 42.5" Status: Active Intended use: hunting