Tanie Militaria is a stockist of MOSFETs from GATE Electronics, including the popular Aster MOSFET that they feature in this video. Available for Version 2 and Version 3 Gearboxes, the Aster has trigger sensitivity adjustment, full compatibility with popular gearboxes available on the market and supports all types of gears. The trigger can be programmed for various firing modes and has pre-cocking, ROF adjustment, battery level low alert, and sniper delay.