Devilbiss JGA-510-704E Pressure Fed Spray GunIn stock. The Devilbiss JGA 510 Spray Gun is a conventional spray gun designed for heavy duty production and coatings. It comes in a variety of set ups depending on your application needs. It comes with a variety of nozzle sizes making it ideal for a variety of conventional spray applications. This particular set up is a good general purpose spray gun set up with a 1. 8 MM fluid nozzle and a air cap with a 10 12 inch pattern. For JGA 510 Service