Henry Big Boy Side Gate chambered in .410 bore shotshell with 20-inch barrel and side loading gate. A lever-action shotgun for bird hunting, pest control, and novelty use. The .410 lever-action shotgun category is unique in current production. Type: Shotgun Action: Lever-Action Caliber: 410 Bore Capacity: 5 Year introduced: 2020, USA Weight: 43 oz Overall length: 38.5" Status: Active Intended use: Hunting, Pest Control, Recreational