West Coast Armor Lvl IV AP plateIV AP Plate UPC: 697566213687 SKU: IVAP3687 West Coast Armors IV AP Plate is just like its little brother, the IIIP Plate, in that it is unbelievably strong and light. Weighing 5. 5 pounds per square foot, it takes the performance of your tactical armor to a higher level. Our proprietary manufacturing process utilizes some of the strongest and lightest ultra high molecular weight polyethylene (UHMWPE) fibers available, allowing us to forge the