The Denel NTW-20 20mm is a south africa-made bolt-action sniper rifle chambered in 20x82mm, introduced in 1998. Primary use: hunting, sport. Type: Rifle Action: Bolt-Action Caliber: 20x82mm Capacity: 5 Year introduced: 1998, South Africa Weight: 160 oz Overall length: 46" Status: Active Intended use: hunting, sport