How efficient is the air usage with this product? PolarStar Jack V3 HPA Unit | Standard FCU | V3 AK HPA Kit

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How efficient is the air usage with this product? PolarStar Jack V3 HPA Unit | Standard FCU | V3 AK HPA Kit

Status: Open Feb 10, 2026 - 10:06 AM

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Feb 10, 2026 - 10:06 AM

The polarstar jack v3 can fire approximately 1,000 rounds from a 13ci/3000psi cylinder at 1.5J energy (using 80PSI with 0.28g BBs). This high air efficiency means fewer refills and more time playing, which is especially important during long events or tournaments.

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How efficient is the air usage with this product?

PolarStar Jack V3 HPA Unit | Standard FCU | V3 AK 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... See More

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View More Product Details

PolarStar Jack V3 HPA Unit | Standard FCU | V3 AK 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... See More

View Details

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How efficient is the air usage with this product? PolarStar Jack V3 HPA Unit | Standard FCU | V3 AK HPA Kit

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