Fusion Engine HPA Drop-In Kit M249 GIB1 This improved fog-elimination system features

This improved fog-elimination system features the robust PowerPod battery pack

ELECTRONIC FUSE – the unit has thermal protection for increased durability and in combination with a time-lag fuse

Duel release speed clips for additional safety

Reinforced elbow areas can be equipped with removable elbow pads (available optionally)

Fusion Engine HPA Drop-In Kit M249 GIB1 This improved fog-elimination system featuresDescription The Fusion Engine from Polarstar is today one of the most proven HPA design for airsoft. It was originally released in 2011 and its received reward for Best HPA Engine in 8th Airsoft Players Choice Awards by Popular Airsoft. The third generation of this system continues this tradition and provides the user with one of the best drop in kits on the market. This complete drop in system replaces the whole AEG gearbox with high quality, CNC