All HPA Systems

The F1 is a high performance, universal HPA (High Pressure Air) drop-in cylinder designed to fit virtually any AEG gearbox. It is available as both...

Performance Meets Efficiency The F1™ is a high performance, universal HPA (High Pressure Air) drop-in cylinder designed to fit virtually any AEG ge...

Updated for an Off-Center World The offset version of the F2™ is the first true closed bolt offset HPA conversion kit on the market and, although i...

Bite Sized Fusion Engine Winner of the "Best HPA Engine" in the 9th Airsoft Players Choice Awards, the dual solenoid design of the F2™ provides the...

Updated for an Off-Center World The offset version of the F2™ is the first true closed bolt offset HPA conversion kit on the market and, although i...

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...

Code Name "Simple Jack" The JACK™ was designed to answer the demand for an affordable, high performance HPA (High Pressure Air) conversion for AEG'...

New voltage regulators allow for extremely low power consumption in sleep mode. Drawing under 28uA while idle, the Mini FCU is over 300 times more ...

The Redline SR-E Lightning is a Patent Pending HPA drop in cylinder replacement. The Lightning is not just another cylinder replacement engine. It ...

The Hurricane is the flagship of our new SR line of engines. The SR-M Hurricane is an evolution of the now famous N7 Milsim. Both engines being sem...