KA Tech MAC Polarstar Gold QCU HPA M4 Add Acetech Brighter C:Yes offering a good blend of

offering a good blend of power and efficiency

- Virtually indestructible ultra-high-output LED generates 1000 lumens of blinding light

40mm screw

Compatibility: Works w/ all inner barrels with conventional AEG hopup windows

Firing Mode: Semi Automatic

KA Tech MAC Polarstar Gold QCU HPA M4 Add Acetech Brighter C:Yes offering a good blend ofEvery KA Tech rifle is built on internals and tuning weve spent the last four years perfecting. Our performance packages are the industry standard everyone else is chasing if you want something thats going to outperform everything else on the field, this is it. The QCU (Quick Carbon Upper) is a premium, competition ready HPA platform developed collaboratively by Gorilla Airsoft Technology and MAC Airsoft, then built and tuned by KA Tech. Engineered