ballistic threat levels
| Armor Type | TEST AMMUNITION | NOMINAL BULLET MASS | SUGGESTED BARREL LENGTH | REQUIRED BULLET VELOCITY |
|---|---|---|---|---|
| I | 22 LRHV LEAD 38 Special RN Lead |
2.6 g 40 gr 10.2 g 158 gr |
15 to 16.5 cm 6 to 6.5 in 15 to 16.5 cm 6 to 6.5 in |
320 ± 12 m/s 1050 ± 40 ft/s 259 ± 15 m/s 850 ± 50 ft/s |
| II-A | 357 Magnum JSP 9 mm FMJ |
10.2 g 158 gr 8.0 g 124 gr |
10 to 12 cm 4 to 4.75 in 10 to 12 cm 4 to 4.75 in |
381 ± 15 m/s 1250 ± 50 ft/s 332 ± 12 m/s 1090 ± 40 ft/s |
| II | 357 Magnum JSP 9 mm FMJ |
10.2g 158 gr 8.0 g 124 gr |
15 to 16.5 cm 6 to 6.5 in 10 to 12 cm 4 to 4.75 in |
425 ± 15 m/s 1395 ± 50 ft/s 358 ± 12 m/s 1175 ± 40 ft/s |
| III-A | 44 Magnum Lead SWC Gas Checked 9 mm FMJ |
15.55 g 240 gr 8.0 g 124 gr |
14 to 16 cm 5.5 to 6.25 in 24 to 26 cm 9.5 to 10.25 in |
426 ± 15 m/s 1400 ± 50 ft/s 426 ± 15 m/s 1400 ± 50 ft/s |
| III | 7.62 mm 308 Winchester FMJ |
9.7 g 150 gr |
56 cm 22 in |
838 ± 15 m/s 2750 ± 50 ft/s |
| IV | 30-06 AP |
10.8 g 166 gr |
56 cm 22 in |
2850 ± 50 ft/s |
| AP: Armor Piercing FMJ: Full Metal Jacket |
JSP: Jacketed Soft Point LRHV: Long Rifle High Velocity |
RN: Round Nose SWC: Semi-Wadcutter |
