Surface Primer Russian Green 4BO
Vallejo Acrylic-Polyurethane 70.609

Vallejo 70.609 »Surface Primer Russian Green 4BO« compared to Airfix M17 »Bronze Green« and Tamiya XF-62 »Olive Drab«.
Acrylic paint, especially artist acrylic paint, generally adheres so well to plastic figures and models that the editors have not yet seen any real need to use primers.