The Gun that Won the West. Winchester's first centerfire lever-action rifle, sharing caliber with the Colt SAA for easy ammunition logistics. Type: Rifle Action: Lever-Action Caliber: .44-40 WCF Capacity: 15 Year introduced: 1873, USA Weight: 8.5 oz Overall length: 43" Status: Discontinued Intended use: Collector, Cowboy Action, Hunting