Apex Armor Mythbusters: Do Level 4 Plates Stop M855 and M855A1?
- John Sun
- Jul 3, 2021
- 1 min read
Updated: Dec 28, 2022
An NIJ Certified Level 4 armor panel, will confidently in all situations, stop M855A1.
M855A1 is NOT an armor piercing round. It is what we call a barrier blind round.
A projectile that is meant to maintain good ballistic properties even after penetrating light barriers such as plywood or drywall.
The steel tip, does not extend all the way through the projectile, that's just a penetrating tip for barriers. The core itself is actually a softer copper. As you can see in the side view of the M855A1 round on the right.
Level 4 is tested/ certified against .30-06 M2 AP, which is a 162gr armor piercing projectile with a hardened steel core, traveling at approximately 2850 ft/s.
Its an incredible amount of energy and power and it far dwarfs the M855A1 round.
And yes, level 4 can stop the standard M855 as well.
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Great breakdown on Level 4 plates versus M855 variants! The technical details about barrier blind versus true armor piercing rounds really help clarify common misconceptions. For anyone who appreciates precise, high-speed challenges after reading this, Slope Rider 3D offers that same adrenaline rush where split-second reactions make all the difference between success and failure.
This is a well-explained overview that clears up a lot of confusion surrounding NIJ Level IV plates and M855 ammunition. It's a great reminder that accurate information and careful analysis matter more than assumptions. I enjoy that same emphasis on noticing small details in That's Not My Neighbor, where careful observation can make all the difference, albeit in a fictional scenario.
Great breakdown of how Level IV armor can handle M855 and even M855A1 under the right conditions. The detailed testing and explanation really help separate myths from facts—almost as satisfying as landing the perfect shot in Golf Hit!
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