KA Tech MAC Polarstar Black Red QCU HPA M4 Inner barrel length:155mm and Eagle Eye fiber optic

and Eagle Eye fiber optic sights

Ambidextrous HK style selector switches

Set of regulation components for Hop Up BASIC

this dual-pane thermal lens creates a sealed barrier that prevents condensation and fogging

allows for more flexible optic placement and eye relief positioning

KA Tech MAC Polarstar Black Red QCU HPA M4 Inner barrel length:155mm and Eagle Eye fiber opticEvery 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