HK roller-delayed rifle in 5.56x45mm with a 15.4-inch barrel, the G3-derived smaller-caliber variant that saw widespread military adoption. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 25 Year introduced: 1968, Germany Weight: 79 oz Overall length: 36.2" Status: Active Military use: Yes Intended use: Military/Collecting