KA Tech MAC Polarstar Silver QCU HPA M4 Polarstar HPA Engine:Jack Package includes: Handguard

Package includes: Handguard

and Eagle Eye fiber optic sights

6v Small Butterfly Type recommended Hopup Adjustable Package Includes Gun

Compatible with RMX Swivel Lock Quick-Change System (Toolless)

KA Tech MAC Polarstar Silver QCU HPA M4 Polarstar HPA Engine:Jack Package includes: HandguardEvery 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