Got this a while ago with a broken nozzle and while I was waiting for a new one to arrive I rewired it to mini deans to use small lipo. The gearbox works beautifully on a 7.4 800mah battery. When the nozzle arrived it fit fine in the gearbox but seems to drag in the hop unit causing the gun not to feed. Im selling this now as I picked up an asg version which isnt two tone and will never get around to working on this one. It needs either a different oem nozzle (the new one in it is army force). Or some careful adjustment with a file.  Price includes postage via royal mail but I can send it by 24hr courier for an extra £4