Perun ETU++ MOSFET for G&G ETU Gearboxes valken-v-tactical The spring-loaded lever will push

The spring-loaded lever will push the anti-reversal latch to release the spring tension and makes it perfect for keeping the gearbox in top shape over time

Fully Licensed by H&K

Steel mesh construction rated for up to 40 hits at 400 FPS at point blank range

Highly Customizable VSR-10 platform

Perun ETU++ MOSFET for G&G ETU Gearboxes valken-v-tactical The spring-loaded lever will pushFeatures Electronic burst Active brake with adjustable braking power Precocking with spring release feature Rate of fire reduction DMR mode Low battery voltage alarm Programming supported with a multicolor LED diode Diagnostic system & electronic resettable fuse ETU++ is a dedicated replacement for G&G ETU electronic board. It enhances your trigger unit by adding many new, useful features. Simply disconnect the stock electronic board and plug in