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5.45, 5.56, 7.62 or 308 - Which has best penetration? (Read 3896 times)

tim808

5.45, 5.56, 7.62 or 308 - Which has best penetration?
« on: January 06, 2013, 10:06:56 PM »
I picked 308....I was wrong.  Saw this on youtube @ Military Arms Channel.

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hnl.flyboy

Re: 5.45, 5.56, 7.62 or 308 - Which has best penetration?
« Reply #1 on: January 06, 2013, 10:52:09 PM »
My prediction before watching is 7.62x39, rivaled with 5.45x39 (I'm assuming you meant 7.62x39, as 7.62 NATO is almost the same as .308).
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ren

Re: 5.45, 5.56, 7.62 or 308 - Which has best penetration?
« Reply #2 on: January 06, 2013, 10:54:20 PM »
Maybe the tree puckered up?
Lots of variables in that experiment.
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hnl.flyboy

Re: 5.45, 5.56, 7.62 or 308 - Which has best penetration?
« Reply #3 on: January 06, 2013, 11:07:30 PM »
My theory is the small diameter of the bullet helped it through.

As for the 7.62x39 penetrating when the .308 didn't, I feel he shot awful close to where the 5.45x39 hit, and it was assisted by the permanent wound cavity left by the 5.45x39.

I hold no claim to being anything other than an "internet couch expert."  ;D
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hnl.flyboy

Re: 5.45, 5.56, 7.62 or 308 - Which has best penetration?
« Reply #4 on: January 06, 2013, 11:09:41 PM »
Just had to add...

Maybe if he had a heavier bullet of 5.56?  The 5.45x39 is .09" smaller in diameter than the 5.56, but was 4gr heavier, so it had much more weight for it's diameter.
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Cougar8045

Re: 5.45, 5.56, 7.62 or 308 - Which has best penetration?
« Reply #5 on: January 07, 2013, 07:08:50 AM »
I like this guy's videos, but this is the least informative "experiment" I've seen.   ::)
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BananaClip

Re: 5.45, 5.56, 7.62 or 308 - Which has best penetration?
« Reply #6 on: January 07, 2013, 08:53:18 AM »
That RFB is sweet! :thumbsup:
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