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B1/B2/B3 type of armour protection are add on armor specifically designed for A1 variants

Armor levels are the Ballistic Protection Levels. When considering an armoured car, all cars are not created equal. They have levels. The first step of deciding on level of armoured car protection is to figure your ideal protection. The protection depends on few levels. That is, how you will be using the vehicle and the perceived threat.

   A Ballistic protection level can tell you how much security a certain level of armor can provide or rather the level of assault it can withstand. A commonly followed benchmark is the EN 1063 standard set forth by the European Committee for Standardization. Ballistic standard exist to ensure that the armour consistently meets the pre- set conditions.

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