Winchester Model 1873 in .38-40 Winchester Center Fire with 20-inch half-octagon barrel. A less common but historically significant chambering of the 1873, offered by Miroku for collectors and cowboy action devotees. Type: Lever-Action Rifle Action: Lever-Action Caliber: .38-40 WCF Capacity: 10 Year introduced: 1873, USA Weight: 8 oz Overall length: 39.5" Status: Active Intended use: Cowboy Action, Collecting