The Ritter & Stark SX-1 MTR is a austria-made bolt-action sniper rifle chambered in .308 Winchester, introduced in 2016. Primary use: hunting, sport. Type: Rifle Action: Bolt-Action Caliber: .308 Winchester Capacity: 5 Year introduced: 2016, Austria Weight: 160 oz Overall length: 46" Status: Active Intended use: hunting, sport