Airball Bunker Plug

The local paintball field had some airball bunkers that needed plugs (they lost some of the plugs) so I designed one based on an original I borrowed. I included the grooved area that the rubber gasket sets in. This design looks similar but I have changed some aspects so there is no copyright issues. These were designed to fit the SUP'AIRBALL™ bunkers so I don't know if they will fit any other brand of airball bunkers. tested these and they work just fine in the bunkers though you will have to fi