Looking for a Krytac HPA-powered airsoft rifle? Not to worry as Airsoftjunkiez got a new Airsoftjunkiez Custom Krytac HPA CRB-M Package. The basic package allows your own choice of HPA engine to be installed into this custom HPA-gun. If you don't have a rig yet to go with it, you can mix and match so you can come up with the custom HPA rifle you are happy to bring to the field.