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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Includes 11
Perfect as a drop-in installation to improve accuracy and precision
metal keymod handguard and a selector switch with a heavy duty detent that gives the user tactile feedback when changing fire modes
Dual HPA air line routes integrated into shoulder straps secure hose in place to prevent kinks
Elite Features & Benefits
PolarStar Fusion Engine™ HPA Drop-In Conversion Kit M4A1 Includes 11The 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
