The Heym SR21 in .300 Win Mag with 24-inch barrel is the long-range configuration of the updated SR21 action. Improved geometry over the SR20 magnum with the same hand-fitted standard. Type: Bolt-Action Rifle Action: Bolt-Action Caliber: .300 Win Mag Capacity: 4 Year introduced: 2008, Germany Weight: 7.4 oz Overall length: 44.5" Status: Active Intended use: Hunting