This amour protects against 9mm full metal-Jacketed round nose (FMJRN) bullets, with nominal masses of 8.og (124gr) impacting at a minimum velocity of 430\s (1400ft\s) or less, and 44 magnum jacked hollow point (JHP) bullets, with nominal masses of 15.6g (240gr)impacting at minimum velocity of 430m\s (1400fts) or less. It also provides protection against most handgun\ sub-machine gun threats.