KA Tech MAC Polarstar Black Red QCU HPA M4 Inner barrel length:155mm Set of regulation components for

Set of regulation components for Hop Up BASIC

We pre-polish the stainless steel to a glass finish and include dust blockers to keep it that way

true closed bolt or "AEG" firing mode

Fully loaded weight is less than an iPhone

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

KA Tech MAC Polarstar Black Red QCU HPA M4 Inner barrel length:155mm Set of regulation components forEvery 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