The AUG F90 is the latest Australian configuration of the Steyr AUG, developed by Thales Australia for the Australian Defence Force as an upgrade to the existing F88 AUG fleet. It incorporates a Picatinny rail system, improved trigger, and modern accessory compatibility while retaining the core AUG bullpup mechanism. Type: Rifle Action: Semi/Full-Auto Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, Austria Weight: 139.2 oz Overall length: 30.9" Status: Active Military use: Yes Intended use: military