OMEGA SPRAY GUNThis is the current spray gun used with our powder coating systems. This gun is compatible with all Columbia Coatings systems that have a 3-PIN GUN CONNECTION. If you are transitioning from an older Columbia Coatings spray gun (Model 1, 2, or 3) to the Omega Spray Gun and you wish to use your current Wide Mouth Multi Coat Nozzle, add the "Wide Mouth Conversion Stem." This will allow you to swap the old stem on your Wide Mouth with a new one that fits this spray gun. ...