PolarStar Fusion Engine for M249 Gearbox Series

Price: $559.99 — In stock at 1 retailer.

The Original HPA Rebel The Fusion Engine™ was released in 2011 and was the first new HPA system to hit the airsoft market in over two decades. This is the system that started the HPA revolution and has set the benchmark to which all other systems are measured. Although many have followed it, the Fusion Engine™ is considered by most to be the best. This system won "Best HPA Engine" the very first year Popular Airsoft added the HPA class to their Players' Choice Awards. This is a complete drop-in system which replaces the entire AEG gearbox with a full CNC machined lightweight aluminum chassis. It is the most adjustable system we produce with the widest range of adjustment in both velocity and rate of fire. Being a dual solenoid, closed bolt system so you are able to adjust the poppet valve (firing air) and nozzle (feeding) independently for full control over both the loading time and air volume used. Key Features Designed, manufactured and built in the U.S.A.. Assembled from CNC machined aluminum components. New GEN3 design now interfaces with AEG triggers and selector plates for cross compatibility with many different models. 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. Open Bolt and Closed Bolt firing modes. Independently adjustable velocity and cyclic rate. Auto Switch mode allows for proper selector configuration for specific models. Interchangeable air nozzles to shift the velocity adjustment range up or down. Adjustable nozzle dwell and return to battery times to optimize feeding from any magazine. Easy to use Fire Control Unit (FCU) with LCD 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! Interfaces with stock AEG barrel/hop-chamber allowing for aftermarket barrel upgrades and the use of traditio