Henry Big Boy X in .45 Colt with 19.8-inch round barrel and side loading gate. The X model adds a side gate for easier loading and a modern rubber stock for field use. Type: Rifle Action: Lever-Action Caliber: .45 Colt Capacity: 7 Year introduced: 2019, USA Weight: 42.9 oz Overall length: 38.25" Status: Active Intended use: Hunting, Ranch, Recreation