POLARSTAR F2 HPA CONVERSION KIT V2 M4-M16 AIRSOFT PISTOLS Designed by Ryan Johnson of

Designed by Ryan Johnson of RMJ Tactical

Each knife features precision made parts with a stiff spring and our incomparable Tri-Ad® lock mechanism which is arguably the strongest

Wire Harness and any additional components needed to convert the specific airsoft rifle model for which the kit is configured

Trigger safety

16″ metal mlok rail system

POLARSTAR F2 HPA CONVERSION KIT V2 M4-M16 AIRSOFT PISTOLS Designed by Ryan Johnson ofIT IS THE USER'S RESPONSIBILITY TO ENSURE THAT THE PARTS ARE COMPATIBLE BEFORE PURCHASE. ALL PARTS ARE FINAL SALE Bite Sized Fusion EngineWinner of the "Best HPA Engine" in the 9th Airsoft Players Choice Awards, the dual solenoid design of the F2 provides the same functionality as the legendary Fusion Engine but in a more compact, efficient and flexible design. Dual solenoids allow for the nozzle and the poppet valve to be adjusted independently of