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Installing A PolarStar Jack Into An M249

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BattleMonkeys Airsoft: Installing A PolarStar Jack Into An M249

Putting an HPA engine into an support airsoft gun can be a good option if you want fewer moving parts and not bothered by having a line tethered to an outside HPA tank. In this video, BattleMonkeys Airsoft shows how to install the PolarStar Jack HPA Engine into an A&K M249.

You can click here to know the parts list that you need to the HPA conversion.

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