Polarstar Fusion Engine Gen.3 Drop in Kit - V2 M4 Slide Catches A split Guide Rod will

A split Guide Rod will allow for more short strokes to be applied and an overall better feel due to the weight of the steel

Use for Action Army AAP-01/C

trigger pin and trigger pin bar (for popping out any existing pins)

Open Bolt and Closed Bolt firing modes

Polarstar Fusion Engine Gen.3 Drop in Kit - V2 M4 Slide Catches A split Guide Rod willThis is a complete drop in system which replaces the entire AEG gearbox with a full CNC machined lightweight aluminum chassis. It is the most adjustable system we produce with the widest range of adjustment in both velocity and rate of fire. Being a dual solenoid, closed bolt system so you are able to adjust the poppet valve (firing air) and nozzle (feeding) independently for full control over both the loading time and air volume used. PolarStar