Armor Standards
The following are several of the internationally accepted ballistic standards, which define levels of protection. All tests are based on average bullet velocity.
| N.I.J. BALLISTIC STANDARD 0108-01 | |||
| LEVEL | FIREARM | PROJECTILE | VELOCITY |
| I | .22 LRHV | 40 grain | 1050 ft/s |
| .38 Special | 158 grain | 900 ft/s | |
| IIA | .357 Magnum | 158 grain | 1250 ft/s |
| 9 mm Handgun | 124 grain | 1090 ft/s | |
| II | .357 Magnum HV/JSP | 158 grain | 1395 ft/s |
| 9 mm Handgun HV/FMJ | 124 grain | 1175 ft/s | |
| IIIA | .44 Magnum Handgun | 240 grain | 1350 ft/s |
| 9 mm S.M.G (9 mm X 19) | 124 grain | 1400 ft/s | |
| III | 7.62 X 51 or .308 Rifle | 150 grain | 2750 ft/s |
| IV | 7.62 X 63 mm --- M14 | 166 grain | 2850 ft/s |
| EURONORM BALLISTIC STANDARD EN1063 | |||
| LEVEL | FIREARM | PROJECTILE | VELOCITY |
| B1 | .22 Rifle LRHV | 40 grain | 315 m/s :: 1050 ft/s |
| B2 | 9 mm | 124 grain | 427 m/s :: 1400 ft/s |
| B3 | .38 Special | 158 grain | 259 m/s :: 900 ft/s |
| B4 | .357 Magnum | 158 grain | 425 m/s :: 1395 ft/s |
| .44 Magnum | 240 grain | 427 m/s :: 1350 ft/s | |
| B5 | 7.62 X 33 mm --- .30 CAL Carabina | 110 grain | 600 m/s :: 2200 ft/s |
| 7.62 X 39 mm --- AK-47 | 123 grain | 715 m/s :: 2400 ft/s | |
| B6 | 7.62 X 51 mm --- M-80 | 149 grain | 838 m/s :: 2750 ft/s |
| .306 Winchester FMJ | 150 grain | 838 m/s :: 2750 ft/s | |
| 5.56 X 45 mm --- M-16 | 45 grain | 919 m/s :: 3250 ft/s | |
| B7 | 30.06 Perforante | 166 grain | 869 m/s :: 2850 ft/s |
| UNDERWRITERS LABORATORY BALLISTIC STANDARD 752 | |||
| LEVEL | FIREARM | PROJECTILE | VELOCITY |
| 1 | 9 mm | 124 grain | 1090 ft/s |
| 2 | .357 Magnum | 158 grain | 1395 ft/s |
| 3 | .44 Magnum | 240 grain | 1400 ft/s |
| 4 | 30.06 Rifle | 220 grain | 2410 ft/s |
| 5 | 7.62 X 51 mm or .308 Rifle | 150 grain | 2750 ft/s |
| 6 | 9mm Uzi (9mm X 19) | 124 grain | 1400 ft/s |
| 7 | 5.56 X 45 mm Rifle | 55 grain | 3250 ft/s |
| 8 | 7.62 X 51 mm (LC/FMJ Military) | 150 grain | 2850 ft/s |
| PROTECTION CLASS: SPIKE/EDGED BLADE NIJ 0115.00 | |||
| Spike 1 | Edged Blade 1 | strike energy: 24 J (17.7 ft-lbf) | |
| Spike 2 | Edged Blade 2 | strike energy: 33 J (24.3 ft-lbf) | |
| Spike 3 | Edged Blade 3 | strike energy: 43 J (31.7 ft-lbf) | |
| BALLISTIC ACRONYMS | |||
| LRHV | Long Rifle High Velocity | CAI | Category Added by Industry |
| AP | Armor Piercing | FMJ | Full Metal Jacket |
| JSP | Jacketed Soft Point | RN | Round Nose |
| SWC | Semi - Wadcutter | ||