It’s not often that you need protection from sniper fire and anti-material rifles. But, when you do, you will want to have an NIJ Level IV plate protecting your vital organs. These plates are made from novel ceramics and have some serious stopping power, with the ability to stop a .30cal round with no injury to the person wearing the plate. While there are other, somewhat obsolete, types of materials used to create Level IV armor plates, three types are currently in widespread use:To get more news about camouflage bulletproof vest, you can visit bulletproofboxs.com official website.
These materials may be similar when it comes to protection, but vary greatly when it comes to things like weight and price. Both because it is more difficult to make, and due to the lower weight, Boron Carbide and Silicon Carbide armor plates go for a much higher price than Alumina. But, for many missions, the ~20% reduction in weight will be well worth the price. All three types are available for sale, and it will be up to the user to determine if they will need to buy something used for quick missions but has the extra baggage or something lighter on the knees but heavier on the wallet. For militaries around the world, these plates are used for troops that accompany armored divisions or hold key locations that might get under sniper fire. Because the type of rounds that will be stopped by the Level IV can easily pass through walls, they should be worn inside for these situations as well.
What Is Level 4 Body Armor?
This designation refers to the United States National Institute of Justice’s highest level of ballistic protection. Even though nothing states how this armor should look, currently there are no better options than ceramic and aluminum hard plates that can be inserted into a plate carrier. These armored plates work is a similar way as NIJ Level III, where layers of ballistic material are pressed together to form a solid block. Unlike something like steel, these blocks have both appropriate hardness and shock absorption. Because they are made from long molecular strands of hexagonal crystals, with a single molecule usually running the entire length of the plate, they will spread any impact to the entire plate. Even for alumina, which doesn’t have this hexagonal crystal, the molecules are set in a crisscross pattern, furthering the distribution of force. The lack of a proper crystal does mean that Al2O3 armor will be thicker and heavier, but it will offer the same level of protection. Alumina is also much cheaper to make, making relatively affordable pieces of body armor.
What Will Level 4 Body Armor Stop?
Under the designation NIJ Level IV, the combat armor is tested to withstand at least a single shot from a .30 M2 Armor Piercing round. To dissipate that kind of kinetic power, it needs to be slightly tougher and more brittle when it comes to Carbide types. But, it is a misconception that Level IV armor wouldn’t stop regular anti-personnel rounds. It may, on average, take fewer shots before losing integrity, but you shouldn’t plan on getting hit by consecutive shots from a rifle regardless. Types of rounds that would need an NIJ Level IV are:

All of the smaller and slower rounds are also impossible to penetrate a structurally sound Level IV Armor, with handgun rounds being virtually unnoticeable for the wearer. You may also notice that these rounds range in weight quite a bit, with the lightest being 31 grain and the AP485 coming to a whopping 248 grain. This is because for Level IV it is not the size of the bullet that counts as much as the velocity. The .30-06 can go up to 2880 fps (~877 m/s) which is enough to break through an inch of steel without even bending the core of the bullet. But, it will be stopped by a chest plate.
Do You Need Tactical Level IV Body Armor?
If you are in such an industry where you might need a Level IV plate you would probably know about it. This is a very advanced level of ballistic protection and you won’t find a lot of rifles laying around that would need them. Generally, even the distribution of AP rounds domestically is very limited, and they are not something an average criminal would even see, let alone carry. If you are a part of a private security company (not army) and have missions including following armored vehicles or guarding urban bases, you might want to have a couple of these in stock. But, for regular use, it is a bit too much both weight wise and price-wise.

Publicado en Fashion en noviembre 25 at 08:42
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