Spanish service rifle that became the basis for the HK G3. Roller-delayed blowback design developed by Mauser engineers post-WWII. Type: Rifle Action: Semi-Automatic Caliber: 7.62x51mm NATO Capacity: 20 Year introduced: 1958, Spain Weight: 105.6 oz Overall length: 40.2" Status: Discontinued Military use: Yes Intended use: Military Service, Collector