MechLabs XX-Mod HPA Engine Bolt for NEXXUS / ARC
The MechLabs XX-Mod Bolt is a replacement and upgrade bolt assembly designed specifically for the MechLabs XX-Mod HPA Engine. It is also cross-compatible with the NEXXUS and ARC platforms, allowing compatible users to take advantage of its improved air efficiency and performance. The adjustable nozzle system allows precise positioning within the hop-up chamber while synchronizing the internal air cycle to accommodate different nozzle lengths and configurations.