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Jan 12, 2026 - 08:36 AM
With a 509mm barrel, the gold polarstar nozzle produces 400fps. Higher FPS can be beneficial for outdoor play or scenarios where longer engagement distances are common.
What is the velocity output of the gold nozzle with a 509mm barrel? PolarStar Fusion Engine Nozzle for M4 | Black, Blue, and Silver
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Open Jan 12, 2026 - 08:36 AM
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PolarStar Fusion Engine Nozzle for M4 | Black, Blue, and Silver
The air nozzles for the Fusion Engine come in up to 6 different colors which identify how much the nozzle restricts air flow out of the engine. This starts at the Green nozzle which has the most restrictive bore with the least amount of flow, and goes up in increments to the Red nozzle which is the ...
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