Polar Star JACK HPA Conversion Kit for M4/M16 (SJV2-M4) Airsoft High Pressure Air HPA System for Airsoft AEG Rifles

The Polar Star JACK HPA Conversion Kit for M4/M16’s can easily have it’s velocity adjusted on the fly to below 280fps to approximately 500fps. You can quickly adjust key functions of JACK via the on-board FCU which is tight and compact.

Features:

• High performance delrin nozzle.
• Universal cylinder design is compatible with numerous gearbox versions
• Optimized flow profile, firing point and flow path promotes superior shot consistency and accuracy.
• Independently adjustable velocity and cyclic rate
• Capable of functioning in damp and sub-freezing climates without affecting performance or reliability
• User selectable Semi/Full Auto, Semi Auto Only and Variable Burst modes. Auto Switch mode allows for proper selector configuration for specific models
• Easy to use Fire Control Unit (FCU) with LCD display and five position joystick
• Instantaneous trigger response. Faster than an AEG with a Li-po

Specifications: 

Compatibility: PolarStar PR-15, Fusion Engine, Valken and Wolverine HPA engines. Attaches to any HPA Tank.
Construction: Brass, Steel, Nylon
Color: Black
Nozzle: M4/M16 V2
Manufacturer: Polar Star

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