These are excellent primer guns. I would recommend the 1.8 for your high build urethane primers and the 2.5 for your very high build polyester primers. Gun Only / No Cup.
Porphis PRD-815 1.3 tip Gravity Feed Paint Gun Air Spray Gun Painting Tool
PORPHIS PRD-717 VS Type with Split Nozzle 1.3mm SPRAY GUN ( GUN ONLY/NO CUP )
PORPHIS PRD-717 VS Type with Split Nozzle 1.4mm SPRAY GUN ( GUN ONLY/NO CUP )
PORPHIS PRD-715 MP SPRAY GUN (Gun Only/No Cup)
PORPHIS PRD-715 1.2mm MP SPRAY GUN (Gun Only/No Cup)
