Airsoftjunkiez demonstrate the Krytac P90 with Airsoftjunkiez custom HPA drop in kit. This is shooting a joule with .32g  of highpowerairsoft Tracer BBs. This drop-in kit uses the Wolverine Airsoft Hyrda Engine for Krytac P90  with a custom 3D-printed chassis designed to use multi trigger feature. It has semi & full auto capability and uses the Premium Wolverine FCU.