NIJ0101.06rev. 2008ACTIVE

Ballistic Resistance of Body Armor

The currently-dominant US body-armor certification standard. Defines threat levels IIA, II, IIIA, III, IV based on ammunition type, velocity, and hit pattern. Most fielded US LE vests are certified under 0101.06.

Body armor

Authoritative source

Threat levels

Level	Threat	Velocity (fps)	Conditioned velocity (fps)	Bullet (gr)
IIA	9mm FMJ RN	1,225	1,165	124
IIA	.40 S&W FMJ	1,155	1,065	180
II	9mm FMJ RN	1,305	—	124
IIIA	.44 Magnum SJHP	1,400	—	240
III	7.62x51 NATO M80	2,780	—	147
IV	.30-06 M2 AP	2,880	—	166

Published test conditions for NIJ 0101.06. Follow the authoritative source for the exact test protocol and acceptance criteria.

Published

Jul 1, 2008

Effective

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Certified products (on ArmorOS)

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Slug

nij-0101-06

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