PolarStar Fusion Engine™ HPA Drop-In Conversion Kit ALUMINUM quick dry materials and machine

quick dry materials and machine washer/dryer safe

(1) Upper Tri-Layer Foam Piece

31k High Speed / High Torque Motor

**Regulator not included

PolarStar Fusion Engine™ HPA Drop-In Conversion Kit ALUMINUM quick dry materials and machineThe Fusion Engine was released in 2011 as the first new HPA system to hit the airsoft market in over two decades the system that started the HPA revolution and set the benchmark all others are measured against. Winner of "Best HPA Engine" the very first year Popular Airsoft added the HPA class to their Players' Choice Awards. This complete drop in system replaces the entire AEG gearbox with a full CNC machined lightweight aluminum chassis. As a dual