PolarStar HPA JACK/F1 Airsoft Version 2 GEN 3 M4 Switch Board

Are you having issues with your original M4 switch? It might be time to replace it with a well-made product, like a version 2 Gen 3 switchboard.This model is compatible with a wide variety of version 2 Jack and F1 cylinders. You can use it with V2 gearboxes to upgrade your M4 or M16.The manufacturer recommends placing the switchboard onto a PolarStar fusion engine with AEG selector plates. Professional installation might be necessary. Specifications: Works with Version 2 Jack and F1 Cylinders Compatible with M4 and M16 Platforms Color: Green