See post number 14
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I started this post a few years ago with a 9mm from my Beretta vs bullet proof glass (BPG) from my apartment in the Middle East. I thought it was an interesting experiment. I updated it a few months ago with 1/4" steel plate and the same BPG vs a 5.56mm fired from my Bushmaster AR and a 7.62 NATO fired from my G-3, both at 100yds. Here a quick reminder of the results...
The hole on the left side near the middle is from a 7.62NATO, the one below it is a 7.62x39. The two dents to the right were made by the 5.56 and 5.45. Neither penetrated. As a side note, the 7.62NATO went through the 1/4 steel, through the 4x4 block behind it, through a 2x4 and buried itself in the send. Dayuuuum.
Here is the backside view.
Wow, .308 and 7.62x39 went right through where the .223 or 5.45 could not.
I'm impressed with the added performance of steel plate penetration over .223 or 5.45 .
Edited by my762buzz, 13 February 2010 - 06:09 PM.