Pennsylvania Firearm Owners Association
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  1. #1
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    Default 9mm: 124+p vs 147+p

    Which round is better against barriers? By barriers, I mean windshields, thick jackets, drywall, etc. Thank you!
    "The Constitution is the guide which I will not abandon.Ē - George Washington

  2. #2
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    Not your neighbor, Pennsylvania
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    Default Re: 9mm: 124+p vs 147+p

    Well In wood. Like 4x4s, 147 seems to penetrate better with out tumbling or breaking apart. But I usually use old dry rot wood so that might play a part.

    In drywall I donít think it would make much of a difference unless itís multiple layers.

  3. #3
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    Default Re: 9mm: 124+p vs 147+p

    If barriers are really a concern for you, check out the Leighi Defense extreme penetrators. The test I've seen done with them are pretty impressive.

  4. #4
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    Default Re: 9mm: 124+p vs 147+p

    Quote Originally Posted by R L Suehr View Post
    If barriers are really a concern for you, check out the Leighi Defense extreme penetrators. The test I've seen done with them are pretty impressive.
    I think they’re great rounds, but 20 rounds for like $30 + shipping is a little tough to swallow.
    "The Constitution is the guide which I will not abandon.Ē - George Washington

  5. #5
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    Default Re: 9mm: 124+p vs 147+p

    Quote Originally Posted by philadelphia patriot View Post
    Which round is better against barriers? By barriers, I mean windshields, thick jackets, drywall, etc. Thank you!
    Isn't barrier penetration best achieved with bonded rounds? I guess after that it becomes a question of velocity vs. momentum
    On the seventh day God rested; Marines filled sandbags.

  6. #6
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    Default Re: 9mm: 124+p vs 147+p

    Quote Originally Posted by philadelphia patriot View Post
    I think they’re great rounds, but 20 rounds for like $30 + shipping is a little tough to swallow.
    Agreed, kinda why I'm going by online reviews. I personally wouldn't buy them because of the cost. I don't really worry about barrier penetration either though so I stick with what functions best. Currently that's Hornady 124gr critical.

    Quote Originally Posted by GinzoMatic View Post
    Isn't barrier penetration best achieved with bonded rounds? I guess after that it becomes a question of velocity vs. momentum
    Bullet design has a lot to do with it I believe. Just thinking, but 124gr NATO ball would probably be a cheap alternative if that's a major concern.

  7. #7
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    Default Re: 9mm: 124+p vs 147+p

    Quote Originally Posted by GinzoMatic View Post
    Isn't barrier penetration best achieved with bonded rounds? I guess after that it becomes a question of velocity vs. momentum
    This^^^. If you need to defeat a car door, windshield, so on look into a bonded round like the Federal Bonded 9mm. A JHP will have a tendency to deform and in some cases separate upon impact.
    https://www.targetsportsusa.com/fede...5-p-58970.aspx

  8. #8
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    Default Re: 9mm: 124+p vs 147+p

    Muzzle energy is noticeably lower with 147gr vs 124 and 115.

    I've been running Federal 124gr +P LE HST ammo, haven't done a whole lot of barrier testing with it, but figure if I really need to punch through something heavy, I should probably be using a rifle or some slugs.

  9. #9
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    Default Re: 9mm: 124+p vs 147+p

    Hit the barrier. Hit it again at zachary the same spot. Do it again. You're in.

  10. #10
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    Default Re: 9mm: 124+p vs 147+p

    I don't think special carry ammo is necessary. Most people will miss anyway. Spend the extra money on practice ammo and training.
    "Take the guns first, then worry about due process" Trump

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