Pay in 4 interest-free payments of $250.00 Learn more
Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
suitable for rapid-firing or shooting of moving targets besides normal shooting
Simple replacement part for tuning range and accuracy
20g BBs and using a high capacity 300 round magazine
Durable construction
Easy Installation: Installs as a single assembly into a standard gearbox
KA Tech MAC Polarstar Blue QCU HPA M4 M870 suitable for rapid-firing or shootingEvery 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
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