Extremely compact HK roller-delayed carbine in 5.56x45mm with an 8.9-inch barrel, bridging the gap between the HK33 and the MP5. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 25 Year introduced: 1975, Germany Weight: 68 oz Overall length: 22" Status: Active Military use: Yes Intended use: Military/Collecting