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Thread: 9mm Diameter

  1. #1
    Boolit Man
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    9mm Diameter

    I'm just curious as to the diameter that everyone is sizing their 9 mm boolits to.

  2. #2
    Boolit Grand Master
    Ben's Avatar
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    That roughly equates to asking 100 people what size shoes they wear.

    I size to 3575" for my S&W Mod. 59.
    Works great.

    Ben

  3. #3
    Boolit Master
    farmerjim's Avatar
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    .357 works fine in all of my 9mm's.
    I both powder coat and Hi-Tek.
    There is no difference between communism and socialism, except in the means of achieving the same ultimate end: communism proposes to enslave men by force, socialism—by vote. It is merely the difference between murder and suicide. Ayn Rand

  4. #4
    Boolit Grand Master

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    I buy .358 dia for my Berretta 92. This dia shoots best in my pistol

  5. #5
    Boolit Master
    toallmy's Avatar
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    Same here just shy of .358 .

  6. #6
    Boolit Grand Master tazman's Avatar
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    I run .357-.358 in my Beretta barrels. In all the others, I run .356-.357.
    A lot depends on slugged barrel size and what your chamber will accept.

  7. #7
    Banned
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    Pete, you really need to slug the barrel. I have 9MM that range from .355 to .358.

    Barrel fishing weight work great
    Last edited by Grmps; 10-27-2018 at 06:24 PM.

  8. #8
    Boolit Master
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    .357-.358

  9. #9
    Boolit Grand Master

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    If I was going to load differently for each one they would range from .3555 to .359. But I’m able to get away w/ .358 for all but one. A Walther PPS requires .3555. And that’s not a typo incase you thought it was. It’s the only 9mm I own that has an actual .355 bore.

  10. #10
    Boolit Buddy
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    .358" for my M&P 1st gen. I was getting leading any smaller than that.
    Currently in the process of developing the "perfect" cast .223 load for my AR-15. Click here to follow my progress

  11. #11
    Boolit Master
    Ed_Shot's Avatar
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    .358 works for all 9's (CZ 75B, BHP, Sig P320, Glocks w/LW barrels) that I load for.

  12. #12
    Boolit Master


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    I size to .358 for my CZ75.

  13. #13
    Boolit Master

    Moonie's Avatar
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    This comes up every few months, the forum does have a great search feature. I size to .357 for all my 9mm's.

  14. #14
    Boolit Master


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    I have a WALTHER P-4 with a .355 bore. And my Commercial P-08 has a .3555 bore.

    I used to own a S&W Model 59 that had a .354 bore. Shot cast at .355, if I used .356 it would lead and throw a nice shotgun pattern. I dumped it. Bought a 1950's Hi-Power. It's bore is .356, so I still have to stock three different bullet diameter's and three different loads.

    Most of my other nine's fit between the two, or either a .357 dia. for a wartime P-38. PITA
    I HATE auto-correct

    Happiness is a Warm GUN & more ammo to shoot in it.

    My Experience and My Opinion, are just that, Mine.

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  15. #15
    Boolit Master
    Tom W.'s Avatar
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    My Glocks when I had some and my Ruger will shoot .358 all day long, but my CZ 75 SP01 likes .357.
    Tom
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    Did I ever mention that I hate to trim brass?

  16. #16
    Boolit Master
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    .357 for my factory barreled G34's.

  17. #17
    Boolit Master
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    I size to .357" for my Walther PPQ's and RRA 9mm PCC.

  18. #18
    Boolit Master


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    I normally start out at .3575" here. But, I'll bet if you pull a bullet, it's been swaged down some by seating. Probably to around .356" from my experiences./beagle
    diplomacy is being able to say, "nice doggie" until you find a big rock.....

  19. #19
    Boolit Master bbogue1's Avatar
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    I slugged my barrel and sent the slug to Dardas Bullets who miked it for free. Turned out my 9mm was actually .356 so mine are sized to .356 then powder coated and resized to .357. If I lube them then I size to .357 which is what Dardas recommended.
    VOTE, VOTE, VOTE often. In dealing with potential dishonesty or corruption, Something you might keep in mind is a revealing quote by S.W. Erdnase in his book The Expert at the Card Table "Almost every ruse in the game is more or less dependent upon another one."
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  20. #20
    Boolit Buddy PJEagle's Avatar
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    Mine are .357.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check