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Speer Gold Dot 124gr+P or 147gr

Discussion in 'Caliber Corner' started by JDK721, Jan 25, 2010.

  1. JDK721

    JDK721

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    Last edited: Feb 11, 2011
  2. Nothing wrong with either of these loads, but since you asked....
    147. 147 is closer to 230 than 124.
     

  3. deathpriest

    deathpriest

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    Dec 12, 2004
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    My thoughts are with the 147, more mass more stopping power but, what do I know :)

    Blessings
     
  4. 481

    481

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    There is a certain logic to what you suggest. It ain't technically kosher, but I'll take it. :supergrin:

    Besides, a 230 gr. bullet would be an awfully tight fit in any 9mm pistol. :animlol:
     
  5. JDK721

    JDK721

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    Last edited: Feb 11, 2011
  6. MSgt Dotson

    MSgt Dotson

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    Barring any new developments in the 147 gr bullets, I'd bet the 124 gr will expand more, and still penetrate adequately!
     
  7. conpro

    conpro

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    Both are good just make sure your gun will handle it. most Glocks will but i prefer the 124 +p.
     
  8. Merkavaboy

    Merkavaboy Code-7A KUZ769

    Where I live if the county deputies choose the 9mm, they're issued the 147GDHP. But the largest PD in the nation, NYPD and it's sibling agencies, they use the 124+P GDHP. Personally I'd go with the 115+P+ and then the 124+P, so it all boils down to personal choice.
     
  9. 481

    481

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    Good question.

    Over the course of my LE career, every Agency and Deparment that I have been employed with has issued to me, in some iteration, the 9mm 147 gr. JHP.

    I prefer the 9mm 147 gr. JHPs because they-

    - are standard pressure rounds and subject the pistol to a little less wear than higher pressure (+P, +P+) ammunition

    - have the highest practical sectional density for the 9x19 cartridge

    - retain their downrange velocity better than the lighter bullet weights

    - have very gentle recoil which enhances both "control" and minimizes "shot-to-shot" intervals

    - don't have to pass through the transonic velocity range as they deccelerate which can induce "in-flight" instability down-range

    - have benefited from the current design improvements just as much as the other bullet weights have and offers both reliable expansion and penetration as result of these improvements

    Just a few thoughts...


    :)
     
  10. JDK721

    JDK721

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    Last edited: Feb 11, 2011
  11. CanyonMan

    CanyonMan In The Saddle

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    Agreed, and LOL on top of that.



    CanyonMan
     
  12. CanyonMan

    CanyonMan In The Saddle

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    Jul 26, 2002

    yes




    cm
     
  13. 481

    481

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    Yes.

    A 147 gr. JHP @ 975 fps fired from a Glock 17 (~1.55 pounds) would have 4.20320 fpe of free recoil energy

    whereas....

    A 124 gr. +P JHP fired at 1180 fps from a Glock 17 would have 4.38070 fpe of free recoil energy.

    It ain't much of a difference, (about 4.223%) but the standard pressure 147 gr. JHP recoils a bit less than the 124 gr. +P JHP.

    Your call.

    ETA: Although, I didn't include propellant weight in my calculation of the free recoil energy of either load, the 124 gr. +P JHP will likely have a little more powder mass than the 147 gr. JHP which would increase the difference between the two slightly more.

    :)
     
    Last edited: Jan 25, 2010
  14. JBP55

    JBP55

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    Many LEA's issue 147 in 9mm, 180 in .40 and 230 in .45. They prefer slightly better penetration to slightly better expansion.
     
  15. coal

    coal

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    I prefer heavy for caliber, more mass to more velocity. Prefer 147gr. But, I'd not miss sleep over 124gr +p. More thoughs in signature.
     
  16. Clem Eastwood

    Clem Eastwood

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    flip a coin. heads 124, tails 147. it dont matter.
     
  17. IndyGunFreak

    IndyGunFreak

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    Indiana
    I agree w/ this. I like them both, but slightly prefer the 147gr. over the 124+P. As for what Police Dept. issues what, I wouldn't use that to base my decision. Most agencies don't choose ammo based on performance, its based on the cost of the bid. For every agency you find issuing the 147gr, you'll find one issuing in 124gr, 124gr+P, and 115gr +P... so basing anything on what the "police do" would be impossible. You can try to get some ideas from your local PD's. Bottom line though, the shooter makes WAY more difference, than the minor differences between cartridges in the same caliber.

    PRACTICE PLACEMENT!

    IGF
     
  18. pimuk

    pimuk

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    Reading articles, catalogs here and there and seeing gelatin test pictures here and there, I will choose 124 gr +P over the 147 gr. However, I have 15 rounds of the 147 grainers because I can't find 124 +P in where I live.

    However, the 147 gr averaged 975 fps in my G 17 and the felt recoil was softer thus easier to control than other 124/1,180 (not GD 124 +P) loads, though in tense situation the difference is negligible.
     
  19. HWA GLOCKER

    HWA GLOCKER

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    My G26 124+p gold dots my G17 147gr HST's my G21sf 230gr HST's!
     
  20. Houston1906

    Houston1906 Member

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    Aug 4, 2005
    Tennessee
    If you look at departments such as Chicago PD, you will see a move from the 147 grain to the 124+P. While I think they will both do the job, my research has led me to believe the 124+P holds a slight edge in stopping power. But, overall, it STILL comes down to shot placement.