Levels of Bulletproof Protection - NIJ Level IIA, II, IIIA ...
When used alone, it provides Level III protection, similar to the Alpha Plate. When combined with the BulletSafe Bulletproof Vest, however, it provides Level IV Protection - the highest level rated by the NIJ for soft body armor. This means it will stop almost all handguns and rifles you're likely to encounter on a day-to-day basis.