Back in stock at AirLab is the Black Talon Concepts Chimera MKII MOSFET for Version 3 Gearboxes... "Built upon the indestructable Extreme-fire Lion, wired to a gearbox sensor array like the Systema PTW, and programmed to have more functions then any other controller on the market. Combine all this and you have the Chimera FET, an extremely powerful AEG controller with thousands of possible configurations. No soldering required!"