PolarStar Fusion Engine for M60/MK43 Gearbox Series M&P40 That stinks

That stinks

lightweight design of the i4 will almost allow you to forget you are even wearing a mask at all

Capacity Category: High-Cap

Your thumb safety and slide actions all work

PolarStar Fusion Engine for M60/MK43 Gearbox Series M&P40 That stinksThe 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'