This new one from Jing Gong at RSOV.com has some of my mates going gaga, and they want it in the UK now. This is a radical departure from the usual ACM airsoft guns with its new features. The price for this just went high, but who cares? ... " Jing Gong M4A­1 AEG with metal body, hardened gearbox housing and one piece metal barrel equipped with voltage stablizer electronic board. Comes with battery and battery charger."