This is a brief comparison of body armor protection levels and their associated implied game values. The ballistics statistics were provided by the National Institute of Justice and Underwriters Laboritory via the Armet Armored Vehicles website.

Note that the game ballistics listed are for an average hit with the projectile listed. Armor with a defensive value exactly equal to the damage, piercing, and speed class advantages of the round in question would be effective 50% of the time at preventing penetration. Armor meant to protect against a given projectile should be a bit higher in value than what the projectile does on average overall. Thus, when computing the armor value necessary to defend against a specified round it is necessary to add 3.5 AP to the total armor value to make the calculation valid for an armor thickness twice that which would stop the round only 50% of the time.

Ballistics statistics Provided by National Institute of Justice.

N.I.J. Data | Game Ballistics Data | ||||||
---|---|---|---|---|---|---|---|

Level | Weapon Type | Calibre | Ammunition | Test Range | Speed Class | Damage + Pierce | Stun |

I | .22 LR Handgun | .22 LR | LRHV | 5m | 1 | 7.5 | 0 |

I | .38 Special | .38 Sp | RN Lead | 5m | 1 | 6.5 | +1 |

IIA | .357 Magnum | .357 Magnum | JSP 158 gr | 5m | 1 | 7.5 | +1 |

IIA | 9mm Handgun | 9mm x 19 | FMJ 124 gr | 5m | 1 | 7.5 | 0 |

II | .357 Magnum | .357 Magnum | HV/JSP 158 gr | 5m | (2 | 5.5 | +1) |

II | 9mm Handgun | 9mm x 19 | HV/FMJ 124 gr | 5m | (1 | 7.5 | 0) |

IIIA | 44 Mg Hangun | 44 Mg | Lead GC 240gr | 5m | 1 | 9.5 | +1 |

IIIA | 9mm S.M.G. | 9mm x 19 | FMJ 124 gr | 5m | 1 | 7.5 | 0 |

III | 7.62 or .308 Rifle | 7.62mm x 51 | .308 FMJ 150 gr | 15m | 2 | 15 | +1 |

IV | M14 | 7.62mm x 63 | AP30.06 166 gr | 15m | 2 | 17 | 0 |

Table 3.1 January 27, 1995

U.L. Data | Game Ballistics Data | ||||||
---|---|---|---|---|---|---|---|

Class | Weapon Type | Calibre | Ammunition | Test Range | Speed Class | Damage + Pierce | Stun |

Level 1 | 9mm | 9mm x 19 | FMJ LC | 4.6m | 1 | 6.5 | 0 |

Level 2 | .357 Magnum | .357 | JLSP | 4.6m | 1 | 6.5 | +1 |

Level 3 | .44 Magnum | .44 | LSW GC | 4.6m | 1 | 9.5 | +1 |

Level 4 | 30.06 Rifle | 30.06 | LSP | 4.6m | 2 | 14 | +1 |

Level 5 | 7.62mm or .308 rifle | 7.62mm x 51 | LC/FMJ Military Ball | 4.6m | 2 | 15 | +1 |

Level 6 | 9mm Uzi | 9mm x 19 | FMJ/LC | 4.6m | 1 | 6.5 | 0 |

Level 7 | 5.56 Rifle | 5.56mm x 45 | FMJ/LC | 4.6m | 2 | 13 | 0 |

Level 8 | 7.62 M14 | 7.62mm x 51 | LC/FMJ Military Ball | 4.6m | 2 | 15 | +1 |

Shotgun | 12-gauge | Rifled slug | Lead 28gr | 4.6m | 1 | 8 | +2 |

Shotgun | 12-gauge | 00 buckshot | Lead 42gr | 4.6m | 1 | 3.5 x4 | 0 +3 |

All tests conducted are based upon average velocity of selected ammunition.

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Document last modified Saturday, August 6, 2005