The Henry Lever Octagon in .17 HMR is the highest-velocity variant of the octagon series. Flat-shooting rimfire performance in a 19th-century silhouette. Type: Lever-Action Rifle Action: Lever-Action Caliber: .17 HMR Capacity: 11 Year introduced: 2004, USA Weight: 6 oz Overall length: 38.5" Status: Active Intended use: Varmint, Collecting, Cowboy Action