Black Primer - Mecha Color (60ml) by Vallejo Acrylics

Vallejo Mecha Primer - White (200ml)

Vallejo Mecha Colors Archives - Everything Airbrush

Air brush primer is easily scratched of model with fingernail

Mecha Colors Primer Archives - Everything Airbrush

Primers 60ml Archives - Everything Airbrush

Mecha Color: Black Primer (60ml)

Vallejo Metal Color - Dark Aluminium

Vallejo USN Light Ghost Grey Primer Acrylic

More primers science! Tried Vallejo Mecha primer! : r/Gunpla