Australian-developed upgrade of the F88 Austeyr (AUG); modernized rail system, improved ergonomics, and optional underbarrel grenade launcher. Current Australian Defence Force service rifle. Type: Rifle Action: Select-Fire Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2016, Australia Weight: 104 oz Overall length: 43.5" Status: Active Military use: Yes Intended use: Military