German roller-delayed blowback rifle chambered for 5.56x45mm. The HK33 influenced numerous AK-pattern comparisons as the NATO alternative to Warsaw Pact AKs; exported widely and used by numerous military forces. Type: Semi-Auto Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 40 Year introduced: 1968, Germany Weight: 8.4 oz Overall length: 36.2" Status: Discontinued Intended use: Collecting, Historical