The Henry Repeating Arms Henry Big Boy Silver .45 Colt is a usa-made lever-action rifle chambered in .45 Colt, introduced in 2007. Primary use: hunting. Type: Rifle Action: Lever-Action Caliber: .45 Colt Capacity: 10 Year introduced: 2007, USA Weight: 96 oz Overall length: 42.5" Status: Active Intended use: hunting