Now in stock at CWI Airsoft is the Vipertech AAC 300 Blackout GBBR Limited. It has AAC 300 Style Upper and AAC 300 Style Lower with markings, URX III 8in Hand Guard, KAC 9.5in  Outter Barrel, AAC 300 51T 762 Flash Hider (-14mm CCW), and the URX III Rail Cover Short Version. It has the Crane Stock and Grip in Tan colour and has an initial muzzle velocity of 120 m/s on 0.20g BBs.