Ruger No.1B Standard in .338 Winchester Magnum with 26-inch barrel, pairing the versatile .338 Win Mag with the precision-enhancing falling-block single-shot action. Type: Rifle Action: Single shot Caliber: .338 Winchester Magnum Capacity: 1 Year introduced: 1968, USA Weight: 88 oz Overall length: 42.5" Status: Active Intended use: Big game hunting / Long range