G&G ETU 2.0 Trigger / Mosfet 4.0 Unit - V2 Rear Wired

G&G ETU 2.0 Electronic Trigger and Mosfet 4.0 Unit (V2). This is a replacement part for your G&G gun. For M4 style variants, but may work in other airsoft gun models as well.  Fits rear wired Version 2 gearbox types. ***Update for 2023, Smaller and more reliable than the 2019 Mosfet unit. Note:  This is for Version 2 gearboxes with rear wiring.  There are other V3 types available. *** We cannot guarantee compatibility with other brands. No warranty on this product (G&G manufacturer warranty may apply - contact them directly).