What is the rate of fire for this HPA unit?
PolarStar Jack M249 HPA Unit | Standard FCU | M249 HPA Kit
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Open Oct 30, 2025 - 09:45 AM
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Oct 30, 2025 - 09:45 AM
The rate of fire (ROF) for the Polarstar Jack M249 is 30 rounds per second (RPS) or higher, depending on setup factors. A high ROF is valuable for players seeking rapid firing performance and better responsiveness during airsoft gameplay.
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PolarStar Jack M249 HPA Unit | Standard FCU | M249 HPA Kit
“JACK” was designed to answer the demand for an affordable, high performance HPA conversion for AEG's. The system is a drop-in cylinder replacement that will be universally compatible with a wide range of gearbox versions that have center-line nozzles. Similar to its sister product, the F...
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