PolarStar Fusion Engine Nozzle M4 (Purple)

Completely Custom USA Machined and Designed Nozzle Same or better FPS over existing Bored out Red+ Nozzles 20% Larger Bore than current standard Red Nozzles Constructed from 6061 T6 Aluminum Compatible with all generations of the V2 PolarStar Fusion Engines (Designed for M4 nozzle based setups) Offers better hop up seal for better performance and feeding Fixes issues previous drilled red+ nozzles had of not sealing properly against bucking or not seating the BB properly against the hop nub during firing Produced in the USA Oh and of course they are Purple!