home > Civilian Body Armor / Anti-Stab Body Armor > NIJ(National Institute of Justice) About Civilian Body Armor & Anti-Stab Body Armor's Bulletproof Class... NIJ Ballistic Test Chart (gr.=grain) Threat Level Bullet Type Weight FPS MPS I .22 caliber LR LRN 40 gr. 1080 329 380 ACP FMJ RN 95 gr. 1055 322 IIA 9 mm FMJ RN 124 gr. 1120 341 40 S&W FMJ 180 gr. 1055 322 II 9 mm FMJ RN 124 gr. 1205 367 .357 Mag JSP 158 gr. 1430 436 IIIA 9 mm FMJ RN 124 gr. 1430 436 .44 Mag SJHP 240 gr. 1430 436 III 7.62 mm NATO FMJ 148 gr. 2780 838 IV .30 caliber M2 AP 166 gr. 2880 869 NIJ Certified-US NIJ Standard 0101.04 is a standard for Ballistic Resistance of Personal Body Armor developed by the law enforcement standards laboratory of the National Institute of Justice(NIJ), US Department of Justice, Washington, D.C. Anti-stab Body Armor Class is divide into three Classes(1, 2 and 3 Class) NIJ Stab Resistant Protection Level Chart Protection Level "E1" Strike Energy J                        ft¡¤ lbf "E2" Overtest Strike Energy J                        ft¡¤ lbf 1 24 ¡¾ 0.50       17.7 ¡¾ 0.36 36 ¡¾ 0.60       26.6 ¡¾ 0.44 2 33 ¡¾ 0.60       24.3 ¡¾ 0.44 50 ¡¾ 0.70       36.9 ¡¾ 0.51 3 43 ¡¾ 0.60       31.7 ¡¾ 0.44 65 ¡¾ 0.80       47.9 ¡¾ 0.59 NIJ Certified-US NIJ Standard 0115.00 is a standard for Stab Resistance of Personal Body Armor developed by the law enforcement standards laboratory of the National Institute of Justice(NIJ), US Department of Justice, Washington, D.C.   * Do you want detailed instructionals? If so, go on a visit Information Center