... steel 2.NIJ III-NIJ IV 3.Lightweight 4.AK47 rifle 1.Desciption This type of ceramic ballistic plate are ... 30 (single use)1.90 (with vest)NIJ IVarmor-piercing rifle bullets with 10.8g, speed less than 869m/s, ... (s)1.70-2.10 (v)NIJ IVarmor-piercing rifle bullets with 10.8g, speed less than 869m/s, ... , 7.62mm caliber. (M80)25*30cm2.0NIJ IVarmor-piercing rifle bullets with 10.8g, speed less than 869m/s, 30 ...