Two questions, any idea when these will be back in stock? And will it fit in a krytac mk2 m4?
PolarStar Jack V2 HPA Unit | Standard FCU | V2 M4 HPA Kit
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Open May 08, 2023 - 11:29 PM
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Answer
Nov 09, 2020 - 09:32 AM
They just arrived back in stock today. They are now available on our website 8) And yes it will!
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PolarStar Jack V2 HPA Unit | Standard FCU | V2 M4 HPA Kit
PolarStar Jack V2 HPA Unit | Standard FCU | V2 M4 HPA Kit The Polarstar “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 th...
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