Perun G&G 2.0 ETU Mosfet Upgrade Kit pistol light This system allows for increased

This system allows for increased trigger response time

The UMP is the newly updated version of the MP-5 and is used by national forces and police departments around the world - including the USA

Several types of barrel fits:

Holds double that of the standard 14 rounder 1911

Perun G&G 2.0 ETU Mosfet Upgrade Kit pistol light This system allows for increasedPerun G&G 2. 0 ETU Mosfet Upgrade Kit. PAMF013 Perun Upgrade MOSFET Kit 2. 0 for G&G ETU AEG airsoft Gearboxes Precocking: Fast trigger response can be a matter of victory or defeat, especially in CQB situations. With precocking enabled, piston will remain in rear position after each shot with spring already compressed, ensuring that next shot will be fired immediately after you pull the trigger. Precocking works in semi, burst and full automatic