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Jan 12, 2026 - 08:36 AM
The black polarstar nozzle delivers 423fps with a 275mm barrel, offering substantial power for users who need high performance in compact setups.
What is the velocity output of the black 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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