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PolarStar Airsoft M4/M16 Generation 3 Version 2 Fusion Engine

SKU: PS-FEV2-M4 PolarStarIn Stock Map ProtectedPrice is map protected. Coupon(s) may not be applied to this item.

  • Stabilizes the BB in the hop up before firing
  • Removes any spin that may cause BBs to veer in a different directions at range
  • Immediate trigger response without dryfire
  • User selectable Semi/Full Auto, Semi Auto Only and Variable Burst modes
  • FCU adjusts key settings to meet field requirements
  • Fusion Engine for Specifically V2 gearbox
  • Improves hop up performance with a wide range of stock and aftermarket options
  • Assembled from CNC machined aluminum components
  • Designed, manufactured and built in the U.S.A.
  • True closed bolt operation provides superior air seal and promotes accuracy
  • Independently adjustable velocity and cyclic rate
  • Auto Switch mode allows for proper selector configuration for specific models
  • Interchangeable air nozzles shift the velocity adjustment range up or down
  • Easy to use Fire Control Unit (FCU) with display and five position joystick
  • Uniform shot-to-shot air volume discharge allows for unmatched velocity consistency
  • Instantaneous trigger response. Faster than an AEG with a Li-Po
  • Capable of functioning in damp and sub-freezing climates without affecting performance or reliability


In the Box

1X Fusion Engine



Brand Polarstar
Build Aluminum
Firing Modes Full Auto, Semi Auto, Variable Burst
FE Profile Version 2
Nozzle Type M4/M16 Series
Included Selector Plate M4/M16 Series
Cyclic Rate 500 RPM to 1,800 RPM
FCU Battery 7.4v Lipo w/ JST Connector (Not Included)
FCU Voltage Input Range 7-10VDCÂ
Electronics REV2
Propellant Power Source: HPA (High Pressure Air via Remote Air Rig)
PSI Operating Range 80 PSI - 120 PSI
Weight 0.75 lbs

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