ARES EFCS ECU Gearbox Complete - Rear Wired is a complete gearbox replacement for ARES / Other Brand of M110 / SR25 Airsoft weapons.
The unit itself is the reprogrammable EFCS unit, allowing it to be programmed for three round burst or be locked to single shot using the EFCS programming unit.
The MOSFET on the gearbox is the new generation 'Blue MOSFET' which is more resistant to Ampage / Voltage fluctuations and spikes, and allows 11V LiPo and LiFe type batteries as standard.
The gearbox is of the highest build quality, coming with a quick release spring guide, silver wiring, electronic trigger and upgraded MOSFET.
This is the perfect gearbox for if you want to start upgrading your pre-existing Amoeba or EFCS or want to switch a rear wired gun to a front wired system with no hassle.