The BulletSafe Bulletproof Vest - Level IIIA for $299 - The Best Value. NIJ Level IIIA is enough protection to stop handgun rounds up to a .44 Magnum! This level of protection is available for an unbeatable price. Available in six sizes: S, M, L, XL, 2XL, 4XL. BulletSafe vests are the best value in body armor.