... such as AK-47 Submachine Gun, M-14 and M16 RiflesMaterial: D900 Nylon and Alloy Steel PlatesWeight: 4.6kg (With bulletproof ... 0.5M2Characteristics: Acid-proof, waterproof, ultraviolet ray-proof, soft and light-weighted, capable of defending a ricochet shotThe material of ... standards. Hard body armour with alloy steel bulletproof inserts to NIJ III and NIJ IV level/bulletproof & stabproof vest