KA Tech MAC Polarstar Stranger Things QCU HPA M4 Add Acetech Brighter C:Yes Protects & Hides Extended Inner

Protects & Hides Extended Inner Barrels

Standard: Pre-built adapter ready for use

Tracer unit housed internally within the carbon fiber barrel

piston o-ring

Outputs: 2x 1/8 NPT

KA Tech MAC Polarstar Stranger Things QCU HPA M4 Add Acetech Brighter C:Yes Protects & Hides Extended InnerEvery 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