Cooper Firearms Model 21 in .17 Hornet, one of the few quality bolt-action rifles chambered for this efficient small-bore varmint cartridge. Type: Rifle Action: Bolt-Action Caliber: .17 Hornet Capacity: 5 Year introduced: 2012, USA Weight: 89.6 oz Overall length: 43.5" Status: Active Intended use: Varmint, Small Game