G&G ETU Electronic Trigger and Mosfet Unit - V3

G&G ETU Electronic Trigger and Mosfet Unit (V3). Specifically the selector is made for the AK series of airsoft guns. This is not a drop-in for G36 gearboxes. This is a replacement part for your G&G gun. This is for Version 3 guns. Two options: Front (short wires) or rear wiring (rear version has longer wires). We cannot guarantee compatibility with other brands. No warranty on this product. Note : This is for Version 3 AK gearboxes with either front or rear wiring. If you need one for a M4 style, use the V2 ETU unit.