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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