Perun ETU++ MOSFET for G&G ETU Gearboxes valken-v-tactical Includes a package of retention

Includes a package of retention strap

Each HK45 comes standard with an extra backstrap

Note: Gun side (male) QD is NOT included

Steel Construction (SQ Coating)

Perun ETU++ MOSFET for G&G ETU Gearboxes valken-v-tactical Includes a package of retentionFeatures 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