Answer
Jan 12, 2026 - 08:36 AM
The blue PolarStar nozzle gives about 380fps with a 275mm barrel. This higher FPS is useful for players needing more power in CQB or shorter barrel setups.
What is the velocity output of the blue nozzle with a 275mm 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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