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Thread: The mother of all stepped 9 mm brass cases

  1. #1
    Boolit Man
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    The mother of all stepped 9 mm brass cases

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    These pictures can't do justice to how big the step the step is in the case. You really have to hold it in your hand. Be careful picking up range brass before reloading.

  2. #2
    Boolit Master
    JBinMN's Avatar
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    It may be just me, but looking at the primer end pic, but it looks "cratered" and a bit flattened to me. Not only is it stepped, but maybe even reloaded & not a factory load?

    I dunno, but it looked that way to me...
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

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  3. #3
    Boolit Master Dan Cash's Avatar
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    Not uncommon for factory 9mm and .40 to show cratered primers. These stepped cartridge cases do seem to pose a real challenge to the reloader.
    To paraphrase Ronald Reagan, the trouble with many shooting experts is not that they're ignorant; its just that they know so much that isn't so.

  4. #4
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    HATCH's Avatar
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    this has been posted on CB several times.
    Pretty much toss out all the stepped cases

  5. #5
    Boolit Master
    JBinMN's Avatar
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    Quote Originally Posted by Dan Cash View Post
    Not uncommon for factory 9mm and .40 to show cratered primers. These stepped cartridge cases do seem to pose a real challenge to the reloader.
    Thanks Dan for the info about the factory rounds!

    To be honest, I do not shoot many factory 9mm( I don't load .40), but just reload them, & I shoot out in places that are not ranges,( like friends "back 40" field & public hunting lands), so I do not have a lot of experience in looking at the factory primers from shooting them or picking them up.

    I am going to look closer at the 9mm cases I have bought here at CB.GL forum though, when I get around to sorting by head stamp, just to see what the primers are like...

    I just reckoned that factory 9mm wouldn't have what I consider to be excessive/over pressure signs.

    Thanks again, for filling me in though!
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    ~~ WWG1WGA ~~

    Restore the Republic!!!

    For the Fudds > "Those who appease a tiger, do so in the hope that the tiger will eat them last." -Winston Churchill.

    President Reagan tells it like it is: https://www.youtube.com/watch?v=c6MwPgPK7WQ

    Phil Robertson explains the Wall: https://youtu.be/f9d1Wof7S4o

  6. #6
    Boolit Grand Master tazman's Avatar
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    One of the reasons I like using my Lee Classic Cast Turret is inspecting cases as I put them on the press. I take a quick glance at the inside of the case to see if there is a problem like the brass described or something inside the case. I can also catch berdan primed cases this way.

  7. #7
    Boolit Master Hick's Avatar
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    Maxxtech-- There was a thread about this either here or on another forum. Supposedly made in Russia-- not intended for reloading (I find these laying around our range too-- and toss them)
    Hick: Iron sights!

  8. #8
    Boolit Buddy
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    I shoot 380, 9x18 and 9x19 so I've developed a habit to stand all my cases after pin tumbling to sort them out by height and I always do a quick look inside to cull those stepped cases.

  9. #9
    Boolit Master
    JBinMN's Avatar
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    Always good to keep reminding folks about such things, just for safety sake anyway...

    http://castboolits.gunloads.com/show...tech-9mm-Brass

    http://castboolits.gunloads.com/show...9-Maxxtech-9mm

    There are a few more of these topics, but if folks want more info they can look for them.
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    ~~ WWG1WGA ~~

    Restore the Republic!!!

    For the Fudds > "Those who appease a tiger, do so in the hope that the tiger will eat them last." -Winston Churchill.

    President Reagan tells it like it is: https://www.youtube.com/watch?v=c6MwPgPK7WQ

    Phil Robertson explains the Wall: https://youtu.be/f9d1Wof7S4o

  10. #10
    Boolit Grand Master

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    That’s one headstamp. There’s a reloader, company, that has used stepped brass w/ multiple headstamps. They seem to file for bankruptcy every so often and magically reopen w/ a new name and new headstamp. Whoever invented those cartridges should be strung up.

  11. #11
    Boolit Master
    winelover's Avatar
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    Last couple of times I purchased bulk (5K) 9mm range brass, there were a few of those Mag Tech stepped cases. However, not all Mag tech cases are that way. Majority, were normal. IIRC, they are made by CBC. The B stands for Brazil.

    I have no complaints with Mag Tech or CBC brass...........I load and shoot, after discarding the stepped ones. In fact, I use most of the various foreign 9mm headstamps, with good results..........PMC, S&B, Aguila, etc. Otherwise, be scrapping half of the bulk buy.

    Winelover
    Last edited by winelover; 01-29-2019 at 03:10 PM.

  12. #12
    Boolit Master
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    I have found 3 or 4 different head stamps with stepped cases I pitch them in to the scrap brass bucket.

  13. #13
    Boolit Master OS OK's Avatar
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    It would be interesting to de-mil one of those 9's to see if there's substantially less powder. Makes sense, less case space less powder for the same pressure?

    Industry has some gimmik going here and our best interest ain't first and foremost.

    Too bad we can't make them put a warning on the side of each case saying 'do not reload'...they'd prolly stop this crup.
    a m e r i c a n p r a v d a

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  14. #14
    Boolit Buddy Wag's Avatar
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    This is new to me. Glad to see it.

    Fortunately, I haven't reloaded 9mm in a very long time so, assuming this is a relatively "new" thing, I won't worry about any that I already have and I'll check carefully going forward.

    --Wag--
    "Great genius will always encounter fierce opposition from mediocre minds." --Albert Einstein.

  15. #15
    Boolit Buddy 44magLeo's Avatar
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    Perhaps the step is to prevent bullets from being pushed back into the case when slammed into feed ramps on full auto guns?
    Leo

  16. #16
    Boolit Grand Master

    dragon813gt's Avatar
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    The step is to prevent bullet setback in general. These cases have caused kabooms and there are pictures.

  17. #17
    Boolit Master
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    I don't think setback is the primary purpose of that design. I'd have to look for references i came across, but the stepped cases are a cheaper way to make brass. Here is a pic of a stepped case (not mine), and the step is not located at the bullet heel.


  18. #18
    Boolit Master


    Walks's Avatar
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    I would think the stepped case should mean less powder capacity. Therefore less powder needed to maintain the needed pressure to cycle the action sufficiently.
    Even though more brass is used to manufacture the case, maybe that's cheaper then using more powder for the same pressure level.
    I HATE auto-correct


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  19. #19
    Boolit Master

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    I would think that the swagers among us might be interested in using these cases for bullets,,,,,
    More "This is what happened when I,,,,," and less "What would happen if I,,,,"

    Last of the original Group Buy Honcho's.

    "Dueling should have never been made illegal in this country. It settled lots of issues between folks."- Char-Gar

  20. #20
    Boolit Buddy
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    Something I picked up here but bears repeating- a quick way to sort 9mm, .380, 40 S&W brass is check a range garbage can for the plastic packaging trays for 40 S&W. Dump all the cases in the tray, shake until holes filled and cases stand up. The difference is obvious.
    Loren

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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