By themselves, BulletSafe’s Bulletproof vests deliver exceptional protection from handguns. They’ve been rated at IIIA, which will stop the majority of handgun cartridges up to a .44 magnum, but have also been noted to stop a .50 caliber slug from a Desert Eagle. The addition of a BulletSafe Bulletproof Ballistics Plate makes these vests even more effective by pushing their protection level all the way up to a level IV. At this level, the vest can stop non-armor piercing rifle rounds such as .223, 5.56 and even 7.62 x 51mm. Features of the BulletSafe Bulletproof Ballistics Plate: IV Protection level when worn with vest – capable of stopping rifle rounds 0.80 inches thick Considerably lighter than steel plates (5.65 pounds)Covers vital organs BulletSafe Lightweight Ballistic Ceramic Plate Level IV ICW BS56000