147-grain 9mm +P vs. 125-grain .357 Magnum

147-grain 9mm +P vs. 125-grain .357 Magnum

This is a discussion on 147-grain 9mm +P vs. 125-grain .357 Magnum within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; How do these rounds compare as far as stopping power? Anybody know? After firing the 147-grain 9mm on Friday, it sure seems to pack a ...

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Thread: 147-grain 9mm +P vs. 125-grain .357 Magnum

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    Distinguished Member Array SpringerXD's Avatar
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    147-grain 9mm +P vs. 125-grain .357 Magnum

    How do these rounds compare as far as stopping power? Anybody know? After firing the 147-grain 9mm on Friday, it sure seems to pack a wallop.
    "I practice the ancient art of Klik Pao."

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    VIP Member Array hogdaddy's Avatar
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    I CC a 9mm with 124gn +P Gold Dots, Have plenty of confidence, As far as
    .357Mag out of a 4in Barrel Packs a Heck of a WALLOP. Either one will do ; )
    H/D
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    Member Array theheater905's Avatar
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    According to ATK's web site these are the specs listed for Speer GD & Fed HST Speer does not appear to make a 9mm 147+P so HST are shown to compare
    Part # Muzzel Velocity Muzzel Energy
    GD 9mm 53617 124+P 1220 410
    357 53920 125 gr 1450 584
    357 53960 158 gr 1235 535
    HST 9mm P9HST3 124+P 1200 396
    P9HST4 147+P 1050 360

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    Distinguished Member Array MinistrMalic's Avatar
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    I would certainly think that no 9mm round can compare with a .357 for muzzle velocity or energy. The projectile is the same, but the powder behind a .357 is far more than a 9mm. That's not to disparage the 9mm, just a statement of truth.
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    VIP Member Array cmdrdredd's Avatar
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    Quote Originally Posted by SpringerXD View Post
    How do these rounds compare as far as stopping power? Anybody know? After firing the 147-grain 9mm on Friday, it sure seems to pack a wallop.
    Well, the velocity envelope is entirely different. I don't know for certain but I would say that a 147gr projectile would penetrate better because the energy from a 125gr .357mag load could cause fragmentation. I'm not up to date on all the various .357 loadings though.
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    VIP Member Array MNBurl's Avatar
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    I would take a 357 any day over any 9mm.
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    Senior Member Array hudsonvalley's Avatar
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    Shot placement........
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    Distinguished Member Array Guardian's Avatar
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    Quote Originally Posted by hudsonvalley View Post
    Shot placement........
    Exactly!
    "I dislike death, however, there are some things I dislike more than death. Therefore, there are times when I will not avoid danger" Mencius"

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    Member Array pete950's Avatar
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    Shot placement either of the two are good but put the bullet where it has to go.
    NYPD is getting great results with the 124+P golddot


    Pete

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    Senior Member Array RebelRabbi's Avatar
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    The 357 Magnum Full Power 125 Grain is possibly the most effective fight stopping handgun load of all time. The 9mm in no way compares to it. That doesn't mean the 9mm is a POS, it just means the 357 is substantially more powerful. The 357 is also much more difficult for Joe Average to shoot well and nearly anyone can handle a 9mm. You don't get something for nothing in physics or ballistics.

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    VIP Member Array cmdrdredd's Avatar
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    Quote Originally Posted by pete950 View Post
    Shot placement either of the two are good but put the bullet where it has to go.
    NYPD is getting great results with the 124+P golddot


    Pete
    Not due to proper training though. They have a higher than normal miss to hit ratio.

    I personally still like the .45acp, but that's not in question here and an entirely different topic of discussion.
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    New Member Array glockmpw's Avatar
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    Remember to compare apples to apples. I agree that a .357 125grainer from a 4" barrel is a good bit better than a 147gr. 9mm, but the gap narrows considerably if the 9mm has a 4-5" bbl and is being compared to a snub Magnum. Food for thought.

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    Distinguished Member Array SpringerXD's Avatar
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    Quote Originally Posted by glockmpw View Post
    Remember to compare apples to apples. I agree that a .357 125grainer from a 4" barrel is a good bit better than a 147gr. 9mm, but the gap narrows considerably if the 9mm has a 4-5" bbl and is being compared to a snub Magnum. Food for thought.
    That's what I was thinking. I have a GP100 with 3-inch barrel and the 125-grain magnums are VERY potent feeling. These 147-grain magnums were also very punchy feeling, though.
    "I practice the ancient art of Klik Pao."

    -miklcolt45

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    kpw
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    All depends. Not all 125s are loaded the same. If your talking about Remmy and Fed's full power versions, they clock 1400+ fps from a 4" barrel. The Remington 125 clocked 1330ish from my 3 inch Md. 66. A lot of newer 125 loads don't come close to approaching the same velocity. For example, Remmy's 125 Golden Saber is only loaded to 1220 fps from a 4" barrel which is the exact same specs that a 9mm 124+P Gold Dot is loaded to. Shoot that round from a 2-2.5" barrel and your in the standard 9mm ballpark.
    The full power 125s have earned a 3 decades long reputation for being fight stoppers. The 147 9mm has gotten better but started off dismally.
    Last edited by kpw; June 20th, 2010 at 01:34 PM. Reason: oops
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    VIP Member Array 10thmtn's Avatar
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    According to Ballistics by the inch...

    9mm 147 gr out of a 4" barrel - 951 fps
    357 Mag 125 gr out of a 3" barrel (roughly = to a snubbie) - 1200+ fps
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