G&G ETU 2.0 & Mosfet 3.0 for V2 / Standard Trigger

G&G ETU 2.0 Electronic Trigger and Mosfet 3.0 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.