Henry Golden Boy in .22 WMR with 20-inch octagon barrel and brass receiver. The Magnum rimfire chambering extends the Golden Boy's effective range for small game. Type: Rifle Action: Lever-Action Caliber: .22 WMR Capacity: 12 Year introduced: 2000, USA Weight: 36 oz Overall length: 38.25" Status: Active Intended use: Small Game, Varmint, Recreation