KA Tech MAC Polarstar Silver QCU HPA M4 Inner barrel length:141mm Set at a standard output

Set at a standard output pressure of 800psi

free float design allows for quicker target acquisition

Kit includes upper and lower foam

Elevate your game and show your support for Team USA with this unique collection

and CS/airsoft gameplay

KA Tech MAC Polarstar Silver QCU HPA M4 Inner barrel length:141mm Set at a standard outputEvery 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