BulletProofME.com Body Armor - Ballistic Protection Levels
In-depth information on the ballistic protection of Body Armor. It is important to know that Level II-A, II and III-A all stop the overwhelming majority of pistol projectiles you are ever likely to encounter (plus 12 gauge, OO buckshot), and also to know that NO armor is ever 'bulletproof' under ALL conceivable circumstances.