KA Tech MAC Polarstar Purple QCU HPA M4 Sling Plate O-ring helps keep your inner

O-ring helps keep your inner barrel centered within your outer barrel as well as dampen vibration

PolarStar Jack: Lightweight

Materials: Genuine 3K Twill/Forged Carbon Fiber

Targeted mesh points keeps you cool

KA Tech MAC Polarstar Purple QCU HPA M4 Sling Plate O-ring helps keep your 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