PDiK V3 with Gearbox ShellDescription Developed and manufactured by Mancraft, this drop in kit forms the basis for mounting HPA conversions for the most common AEG replicas with the V3 gearbox. The conversion is CNC machined from high quality aluminum alloy and anodized to minimize scratches and external physical damage. It is pre installed in an adjusted, CNC machined V3 gearbox shell. The kit is a universal model that fits the most common replicas that utilize the above