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Dec 05, 2025 - 08:46 AM
We’ve provided several answers to questions related to PolarStar F2 M4 Conversion Kit | V2 HPA Unit | HPA Drop in Kit , see some other helpful Q&A related to this product.
Question: Is this kit compatible with the M4, VFC model?
Answer: Yes, the polarstar f2 m4 is compatible with the M4 model from VFC. This ensures users with VFC M4s can upgrade to HPA easily.
Question: What is the warranty on this kit?
Answer: The PolarStar F2 M4 is covered by a 1-year warranty against defects in material or manufacturing. This warranty provides peace of mind and protects your investment in case of manufacturing issues.
Question: What kind of solenoid system does this kit use?
Answer: The PolarStar F2 M4 uses a patented dual solenoid design. Dual solenoids allow independent control over the nozzle and poppet valve, giving unmatched control over loading time and air volume, which leads to better efficiency and customizable firing modes.
Question: Are different nozzle springs available for this kit?
Answer: Yes, both light and heavy nozzle springs are available for the PolarStar F2, allowing you to adjust the loading force. This lets users customize the loading pressure to match their specific setup or BB weight, improving feeding reliability.
Question: What is the operating pressure range for this kit?
Answer: The operating pressure range for the PolarStar F2 M4 is 45 to 145 PSI (pounds per square inch). This broad pressure range allows you to fine-tune the system for efficiency, consistency, and performance based on your needs.
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