The G3 A3 is the fixed-stock variant of HK's roller-delayed blowback battle rifle, the primary service rifle of the West German Bundeswehr and over 70 nations from the late 1950s through the 1990s. The 17.7-inch cold-hammer-forged barrel with polygonal rifling delivers full 7.62x51mm performance. The semi-automatic G3 A3 configuration as imported to the US is the HK91 — original G3 A3 rifles are increasingly recognized as Cold War military collectibles. Type: Rifle Action: Semi-Automatic Caliber: 7.62x51mm Capacity: 20 Year introduced: 1959, Germany Weight: 196 oz Overall length: 40.2" Status: Discontinued Military use: Yes Intended use: military, collector, historical