CAPACITY: 4 MAGAZINES

Construction: Full Metal

The internals feature reinforced high performance parts to ensure uncompromised reliability and performance out of the box

Manufacturer: AceTech

- Compatible with most UMP / UMG AEG airsoft guns

PolarStar Fusion Engine Nozzle AK (Gold) Airsoft High-Cap Magazine CAPACITY: 4 MAGAZINESThe air nozzles for the Fusion Engine come in up to 6 different colors which identify how much the nozzle restricts air flow out of the engine. The Fusion Engine has an approximate 60 100fps window of adjustment depending on the barrel length being used. This is accomplished by adjusting your regulator output pressure within the 80 120psi operating range of the engine. Changing the nozzle allows you to shift the velocity range of your rifle up or down