Level IIIA body armor protects the wearer against all lower levels and 9mm FMJ Round Nose (FMJ RN) rounds, with nominal masses of 8.0 g (124 gr) impacting at a minimum velocity of 427 m/s (1400 ft/s) or less and .44 Magnum JHP rounds, with masses of 15.6 g (240 gr) impacting at a minimum velocity of 427 m/s (1400 ft/s) or less. It also provides protection against most sidearm threats.
The highest blunt trauma protection rating in soft body armor. The best for very high-risk situations to cover more of the uncommon or unusual threats. Minimizes blunt trauma injury to allow more effective return fire.