The PAVN guys look badass. You can also use the Brodie Helmet as a stop-gap Type 58 Chicom Pith Helmet and you can add some tape over it or other material as a helmet cover, since your figs are good from 1965-1970.
This is really well made I love the attention to detail like how the us has m16s and the Vietnamese have older rifles anyways FORTUNATE SON BLASTING IN HELICOPTER