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Levels of Ballistic Resistance |
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IAC LEVEL |
Firearm |
Bullet Type |
Projectile |
Velocity |
Other Standards |
| IAC III | ![]() |
9mm .38 special .357 magnum .44 magnum |
124 gr. 158 gr. 158 gr. 240 gr. |
427 mps/1400 fps 259 mps/900 fps 425 mps/1395 fps 427 mps/1400 fps |
NIJ IIIA B4 NIJ IIIA B4 |
| IAC IV |
7.62X33/.30 CAL Carbine 7.62X39/AK-47 |
110 gr. 123 gr. |
600 mps/2200 fps 715 mps/2400 fps |
B5
B5 |
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| IAC V | ![]() |
7.62X51 mm/M-80 .308 Winchester FMJ 5.56X45mm/M-16/193 |
149 gr. 150 gr. 45 gr. |
838 mps/2750 fps 838 mps/2750 fps 919 mps/3250 fps |
NIJ
III
B6 NIJ III+ |
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IAC VI |
![]() |
30.06 AP (Armor Piercing) |
166 gr. |
869 mps/2850 fps |
NIJ IV |
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80 N. 1400 W. International Armoring Corporation® |