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Thread: 1/4" steel armor test

  1. #1
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    1/4" steel armor test

    We had a chance to shoot some "special" 1/4" steel armor plate today that the vendor assured us would stop .30-06 M2AP.

    Testing was conducted at 25 yds:

    .30-06 166 gr M2AP at 2700 fps--full plate penetration
    7.62x51mm 147 gr M80 FMJ at 2850 fps--full plate penetration
    7.62x51mm 147 gr M80 FMJ at 2650 fps--successfully stopped
    5.56 mm 55 gr M193 FMJ at 3200 fps--full plate penetration
    5.56 mm 62 gr M855 FMJ at 3000 fps--successfully stopped
    5.56 mm LeMas 45 gr Landwarfare JSP at 3800 fps--full plate penetration

    This is typical performance from every 5-6 mm steel plate we have ever tested.

    So much for vendor performance claims; without independent testing such data is not worth much...

  2. #2
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    That is special Doc.... It is amazing what some businesses will claim.

    I am not sure how some people can sleep at night, knowing what they have sold to the public.

  3. #3
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    Re: 1/4" steel armor test

    Did you report the findings to the vendor?

    Sent from my EVO using Tapatalk 2

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    I don't think I'm hanging my neck out too far by saying I don't believe any steel or other metal, of any composition / heat treat, at 1/4" thickness, will by itself not be penetrated by .30-'06 AP. Not to say it will never be, and certainly not to say I know all there is to know about armor.

  5. #5
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    1/4" steel armor test

    If they knew you were going to test it, reason suggests they *thought* it would work. Curious why the disconnect between reality and their belief. You'd think they would test before making claims. Or did they not realize you were going to test?

    -john

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    Hopefully these are not for sale yet on the open market... I am surprised that the 855 was stopped while the 193 penetrated, interesting.
    Last edited by STONE-YARDER; 06-17-13 at 21:50.

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    Quote Originally Posted by STONE-YARDER View Post
    Hopefully these are not for sale yet on the open market... I am surprised that the 855 was stopped while the 193 penetrated, interesting.
    Not really since anyone who shoots steel targets knows that its velocity is what kills steel plates.

  8. #8
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    It is quite a normal finding for 855 to be stopped by steel, but 193 to punch through. Likewise 855 is a poor choice against automobile windshields.

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    Quote Originally Posted by vicious_cb View Post
    Not really since anyone who shoots steel targets knows that its velocity is what kills steel plates.
    I do shoot steel and I am confused why the FMJ barely leaves a mark in them(AR500) and the green tip leaves craters. Seems opposite of what you are saying... Is it the 200fps difference?

    "5.56 mm 55 gr M193 FMJ at 3200 fps--full plate penetration
    5.56 mm 62 gr M855 FMJ at 3000 fps--successfully stopped"
    Last edited by STONE-YARDER; 06-17-13 at 22:20.

  10. #10
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    My experience with Level III armor has also been that M193 does more damage than M855.

    However M855 does more damage to a Soviet helmet at 500M if that's important to ya .

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