DC2-3NIJ IIIA level 44mm colour Black, Body armor (vest) Due the layer of fibers in a vest, the protection level (resistance level) was determined. This model has the NIJ level IIIA protection, which against the heaviest bullets from a handgun, such as the 44 and 9mm. Remark: The products are dual use items, and may therefore be restricted in supply by some authorities.