scope:

This standard specifies minimum performance requirements and test methods for the ballistic resistance of body armor used by U.S. law enforcement intended to protect the torso against handgun and rifle ammunition.

The test methods within this standard were developed and validated for broadly available armor designs. Some armor designs may require additional or different testing than that specified in this standard.

Body armor covered by this standard is classified into five protection levels: NIJ HG1, NIJ HG2, NIJ RF1, NIJ RF2, and NIJ RF3.

This standard also addresses hard armors that are intended to provide the stated level of ballistic protection only when paired with a specific model of soft armor. This type of armor is referred to as in conjunction with (ICW) armor, and addressed within protection levels NIJ RF1, NIJ RF2, and NIJ RF3.

This standard is applicable for certification testing or research and development testing.

This standard incorporates other standards from ANSI/SAAMI, ASTM International, and ISO/IEC.

Values stated in either the International System of Units (metric) or U.S. Customary units (inch-pound) are to be regarded separately as standard. The values stated in each system may not be exact equivalents. Both units are referenced to facilitate acquisition of materials internationally and minimize fabrication costs. Tests conducted using either system maintain repeatability and reproducibility of the test method and results are comparable.

The tests required by this standard have inherent hazards. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations.