DIY F75 Spray Gun

Brass nozzle ,
brass cap core,
aluminum cap ring,
aluminum gunbody,
aluminum cup.
Gunbody weight: 313.5g ,
Cup : 124.3g
Nozzle Size(mm): 1.3mm or 1.2 mm 1.5 mm
Cup Size(ml): 400cc or 750cc
Air Inlet: 1/4″