O le a e vaʻai i mea e pei o IIIA ma IV i luga o la matou 'upega tafaʻilagi. O loʻo faʻaalia ai le mana taofi o le ofutau.Lalo o se lisi sili ona faigofie ma faʻamatalaga.

IIIA = Taofi pulufana fana – Faataitaiga: 9mm & .45
III = Taofi pulufana fana – Faataitaiga: 5.56 & 7.62
IV = Taofi filifili AP (Armor-Piercing) pulufana – Faataitaiga: .308 & 7.62 API