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Berger vs ELDX on steel
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<blockquote data-quote="CaneBrake" data-source="post: 2942533" data-attributes="member: 127859"><p>I'm an engineer by trade but I don't have a lot of info on your setups. I'd say tip design is a big factor. You have a plastic tip where as his tip is copper. Essentially, your bullet is striking the target and is being slowed down and prematurely expanded by the plastic tip as it crushes against the plate. By the time your tip has collapsed to reach the jacket your bullet has a decent sized surface area upon which its energy is transferred into the plate. His bullet has a solid tip and a much smaller surface area when striking the plate. That's the key to defeating armor, steel, etc. You need the necessary energy behind a high density, hard material that is adequately focused in order to penetrate. Copper is hardly a good material for armor penetration but in this case it's penetrating mild steel with a very high velocity and a decent amount of momentum. That's why M855 is very good at penetrating lower grades of armor. It's very fast, and has a fine point on a solid jacket with a steel core.</p></blockquote><p></p>
[QUOTE="CaneBrake, post: 2942533, member: 127859"] I'm an engineer by trade but I don't have a lot of info on your setups. I'd say tip design is a big factor. You have a plastic tip where as his tip is copper. Essentially, your bullet is striking the target and is being slowed down and prematurely expanded by the plastic tip as it crushes against the plate. By the time your tip has collapsed to reach the jacket your bullet has a decent sized surface area upon which its energy is transferred into the plate. His bullet has a solid tip and a much smaller surface area when striking the plate. That's the key to defeating armor, steel, etc. You need the necessary energy behind a high density, hard material that is adequately focused in order to penetrate. Copper is hardly a good material for armor penetration but in this case it's penetrating mild steel with a very high velocity and a decent amount of momentum. That's why M855 is very good at penetrating lower grades of armor. It's very fast, and has a fine point on a solid jacket with a steel core. [/QUOTE]
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