NIJ Standard-0101.06
| NIJ Level IIA | NIJ Level II | NIJ Level IIIA | NIJ Level III | NIJ Level IV | |
| Areal Density | 3.5 kg/m | 4.2 kg/m | 5.9 kg/m | 25.9 kg/m | 32.5 kg/m |
| Thickness | 4 mm | 5 mm | 6 mm | 15 mm | 20 mm |
| .22mm short | ★ | ★ | ★ | ★ | ★ |
| .9mm | ★ | ★ | ★ | ★ | ★ |
| .45mm | ★ | ★ | ★ | ★ | ★ |
| .380mm | ★ | ★ | ★ | ★ | ★ |
| .38mm | ★ | ★ | ★ | ★ | ★ |
| .22mm long | ★ | ★ | ★ | ★ | |
| .44 Magnum | ★ | ★ | ★ | ||
| .30 Carbine | ★ | ★ | |||
| 5.56mm | ★ | ★ | |||
| 7.62mm NATO | ★ | ★ | |||
| .30-06 | ★ | ★ | |||
| .30 Armor Piecing(M2 AP) | ★ |
Click here to browse the complete NIJ Standard-0106.01 document.