Shellback Tactical level IV plates are constructed from a ceramic polyethene blend and provide multi hit protection against armor piercing rifle rounds. All of our level IV ballistic plates are manufactured in the USA and either NIJ 0101.06 Certified or tested by a NIJ approved lab. Each level IV plate provides ballistic protection capable of stopping NIJ Level IV threats as well as some models being tested to DEA federal standards. Our level IV plates come in many different option such as single curve, multi curve, shooter cut or SAPI cut. Please refer to the product specification sheet or product description for complete list of ballistic rounds tested.