The 4s17m is an ergonomic, multi-curve (MC) ballistic armor plate by HighCom Armor as part of its Guardian line. It is a curved variant, made in either SAPI (featured) or shooter cut design, from the same core ceramic strike face and materials and other HighCom products, is DEA compliant and certified by the National Institute of Justice to meet Level IV protection. The 4s17m scored 18 out of 25 points possible and had good overall comfort, durability, and function. For full review and pics…more>>>