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Oct 08, 2021 - 02:20 AM
The ARP9 uses a V2 gearbox, so this should fit just fine!
Will this fit directly in a arp9 g&g gearbox? PolarStar F2 M4 Conversion Kit | V2 HPA Unit | HPA Drop in Kit
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Open May 08, 2023 - 11:29 PM
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PolarStar F2 M4 Conversion Kit | V2 HPA Unit | HPA Drop in Kit
This specific F2 is designed with the M4/M16 and typical Version 2 Gearboxes in mind. What is F2? F2 is essentially a Mini Fusion Engine. It offers the same adjust-ability and performance as the Fusion Engine in a cylinder sized package. Patented Dual Solenoid Design The dual sole...
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