Winchester Model 70 XTR Featherweight in .257 Roberts with 22-inch barrel. A post-64 XTR series lightweight rifle in the classic .257 Roberts cartridge that dates to the 1920s. Type: Rifle Action: Bolt-Action Caliber: .257 Roberts Capacity: 5 Year introduced: 1981, USA Weight: 80 oz Overall length: 42.5" Status: Discontinued Intended use: Hunting, Collecting