PolarStar JACK M4/M16 Gearbox HPA Electronic Pneumatic Conversion Kit Add to Cart

SKU: PS-SJV2-M4 PolarStarIn Stock Map ProtectedPrice is map protected. Coupon(s) may not be applied to this item.

• PolarStar's affordable and efficient HPA conversion for AEG's
• Easy switch out nozzle makes kit universally with a wide range of gearboxes
• A single moving part makes the rifle very reliable and easy to maintain
• Able to adjust your muzzle velocity substantially from 250 to 500 FPS
• Max velocity potential varies depending on barrel length and tightness of the bore
• Includes an on-board FCU (Fire Control Unit)
• Adjust cyclic rate, fire modes and poppet dwell
• Stabilizes the BB in the hop up before firing
• Improves hop up performance with a wide range of stock and aftermarket options
• Replaces original gearbox pars with a programmable pneumatic system for enhanced reliability

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