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Bulletproof level standards generally refer to the grade of bulletproof material and the grade of bulletproof equipment. Here are some common bulletproof rating standards:
1. NIJ Standard (National Institute of Justice): The National Institute ofJustice (NIJ) has developed a standard for bulletproof rating, which is usually used to measure the protective performance of bulletproof materials. The standard is as follows:
-NIJ Level IIA: Can be used against 9mm and.40 S&W pistol rounds
NIJ Level II: Can withstand 9mm and.357 Magnum pistol rounds. NIJ Level IIIA: Can withstand.44Magnum pistol rounds and 9mm submachine gun rounds.
-NIJ Level IIIA: Can prevent 7.62mm rifle bullets
-NIJ Level III: capable of withstanding armor-piercing rounds of 7.62mm caliber.
2.EN Standards (European Standards): European standards are typically based on EN 1063 and are used to evaluate protective equipment such as bulletproof glass and doors/windows. The standards are as follows: -EN 1063 Class BR1: Capable of withstanding pistol rounds (.22 LR,.380 ACP, etc.)
EN1063 Class BR2: Protection against pistol rounds (9mm Parabellum,.357 Magnum, etc.)
-EN1063 Class BR3: capable of protecting against pistol rounds (.44 Magnum, etc.)
EN1063 Class BR4: capable of protecting against pistol rounds (357 SIG,.44 Magnum, etc.)
-EN 1063 Class BR5: Protection against rifle ammunition (5.56x45mm NATO, etc.)
Can protect rifle ammunition (7.62x51mmNATO, etc.)
