Heym SR21 Sporter in .300 Winchester Magnum with 23.6-inch barrel. Standard-caliber configuration of Heym's flagship bolt-action, offering the same uncompromising German engineering as the dangerous game variants. Type: Rifle Action: Bolt-Action Caliber: .300 Win Mag Capacity: 4 Year introduced: 1995, Germany Weight: 43 oz Overall length: 44" Status: Active Intended use: Big Game, Safari