Airsoft Station got the licensed Krytac KRISS Vector GBB at their store and here is what they say about it... "Callsign Nobody reviews the newly released Krytac licensed KRISS Vector gas blowback smg. This highly anticipated GBB comes with a VSR-10 compatible TDC hopup chamber and high-efficiency lightweight 60rd magazines. Aftermarket AEG external accessory compatible, 340fps out of the box, and a blast to shoot!"