PolarStar Jack M4 Conversion Kit | V2 HPA Unit | HPA Drop in Kit
$346.00
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PolarStar JACK V2 Conversion Kit, M4/M16 Made in the USA Estimated Velocity: 500fps w/ .20g @ 130psi (varies based on barrel and hopup) ROF: 30rps Air Efficiency: 1000+ shots from 13/3000 @ 1.5J w/ .28g All kits come with an FCU, Switchboard, Wire Harness and any additional components needed to convert the specific airsoft rifle model for which the kit is configured. The HPA Tank, Air Rig (regulator/line/QD fitting) and Battery needed to operate the system are purchased separately.
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