Paragraph 4.3
Level 1 Protection against hand guns of medium power, such as the 9mm, Super 38 Automatic, and the like, with muzzle energy of 380-460 foot-pounds (515-624J).
Paragraph 4.4
Level 2 Protection against hand guns of high power, such as the .357 Magnum, and the like, with muzzle energy of 548-663 foot-pounds (743-899J).
Paragraph 4.5
Level 3 Protection against hand guns of super power, such as the .44 Magnum, and the like, with muzzle energy of 971-1175 foot-pounds (1317-1593J).
Paragraph 4.6
Level 4 Protection against high-power hunting and sporting rifles, such as the 30-06, and the like, with muzzle energy of 2580-3120 foot-pounds (3498-4929J).
Paragraph 4.7
Level 5 Protection against military ball full metal copper jacket ammunition fired from a hunting rifle such as the 308 Winchester or a military rifle with muzzle energy of 2519- 3048 foot-pounds (3416-4133J).
Paragraph 4.8
Level 6 Protection against multiple shots from a submachine-gun, such as a 9 mm Uzi, and the like, with muzzle energy of 540-653 foot-pounds (732-885J).
Paragraph 4.9
Level 7 Protection against multiple shots from a military assault rifle, such as the M-16, and the like, with muzzle energy of 1158-1402 foot-pounds (1570-1901J).
Paragraph 4.10
Level 8 Protection against multiple shots from a military assault rifle, such as an M-14, and the like, with muzzle energy of 2519-3048 foot pounds (3416-4133J).
Paragraph 4.11 SUPPLEMENTARY SHOTGUN A supplementary test using a rifled lead slug with muzzle energy of 2438-2950 foot-pounds (3306-4000J)
and 00 lead buckshot with a muzzle energy of 2078-2415 foot-pounds (2818-3275J), fired from a 12-gauge shotgun. Products shall be tested with both loads.
Products complying with this test may have the suffix SG added to the rating designation.