Airsoftjiunkiez got in stock the EuroTactics Grips that can be used for HPA-powered airsoft guns. The version in the photo uses the Wolverine on tank regulator (not the high pressure).. "EuroTactics Grips are in stock. Add one to your CQB build. Stay tuned for more Airsoftjunkiez custom CQB builds with these Grips."