UltimatePro HVLP Spray Paint Gun Kit for Automotive, Furniture, and Marine Applications, Premium Gravity Feed Body Repair Paint Spray Guns for Cars with Air Regulator, Paint Strainer, Mixing Sticks ...

Paint spray guns are fairly precision tools. Good ones, the ones professional painters use, are very expensive. A professional grade gravity feed miniature spray gun could cost $300 to $500 easily.