Custom HPA VFC HK416 Build
08 Aug 2021
Airsoft Labs show the HPA build using the VFC HK416 AEG is the base gun. The engine is a PolarStar Airsoft Jack. Watch the video to learn more what he added to complete the HPA build... "Recently installed a Polarstar Jack in a VFC HK416 AEG. Also added some additional upgrades. "