G&G ETU Electronic Trigger and Mosfet Unit - V3 M4 and M16 Series Upgrade your stock spring with

Upgrade your stock spring with this big upgrade

Newly redesigned in March 2015 to improve the original SHS model to prevent loosening

Do not charge into the output plug

01mm Gas Type 96 Barrel 640mm

Maple Leaf Pistol Hop Up Adjustment Wheel

G&G ETU Electronic Trigger and Mosfet Unit - V3 M4 and M16 Series Upgrade your stock spring withG&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