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Thread: Lube after sizing?

  1. #1
    Boolit Bub Md2hunt's Avatar
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    Lube after sizing?

    Hey all,
    I recently lubed, sized and loaded some .45 ACP. Still being new to casting my question:

    How critical is it to re-lube again after sizing? If it's critical, I have 100 round or so to pull.

    Any help is appreciated.
    Thanks

  2. #2
    Boolit Master
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    I'm sure you have a valid question, but I don't understand what you're getting at.

  3. #3
    Boolit Master

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    I think he lubed with Lee Liquid Alox, sized the boolits and loaded them without re-lubing.

    Shoot some and see, they should be okay. I wouldn't pull any until I figured out there was a problem.

  4. #4
    Moderator



    JonB_in_Glencoe's Avatar
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    You will be fine shootin those 100 loaded rounds safety-wise.
    On the off chance you happen to have some lead fouling issues, then you just learned you need more lube...and you will learn how to clean a lead fouled barrel. Win-Win

  5. #5
    Boolit Bub Md2hunt's Avatar
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    Thanks for the responses. I'll shoot em and not make the mistake again.

  6. #6
    Boolit Master
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    I've done that didn't have a problem but I lube again after sizing now .I'd shoot them and see if they lead ,sub sonic will probably be fine .

  7. #7
    Boolit Master
    Yodogsandman's Avatar
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    When tumble lubing pistol bullets, I only lube once and that's after they've been sized.
    A deplorable that votes!

  8. #8
    Boolit Master
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    Quote Originally Posted by Yodogsandman View Post
    When tumble lubing pistol bullets, I only lube once and that's after they've been sized.
    I also only lube once.

    I cast then size.

    I then tumble lube with one very thin coat.

    Works great.


    Steve in N CA

  9. #9
    Boolit Master



    curator's Avatar
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    Lee Alox directions call for lubing before sizing to avoid "leading the sizing die" then tumble lubing the boolits again before loading. While this does make the sizing operation a bit easier, it is unnecessary to lube boolits before sizing unless they are very hard and you are sizing several thousandths. With a low-pressure round like .45ACP, little to no boolit lube is required if they are sized ,001 to .002 over groove diameter. Go ahead and shoot the ammo you have loaded. If you have any leading issues increase the "size-to" diameter another thousandth. Your accuracy will improve as well. I size my .45ACP boolits .453 as my various .45s have groove diameters ranging from .451" to .4525." I get considerably better accuracy with these over .451" diameter boolits.

  10. #10
    Boolit Master
    mdi's Avatar
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    The OP didn't mention alox/tumble lubing...

    Depends on the lube you used. If you tumble lubed prior to sizing, you may encounter some leading. If you used a wax based lube filling the lube grooves it's not necessary to lube after sizing. Alox works best if the surface of the bullet is coated, not just the lube grooves. Worse case scenerio you'll get leading. Shoot a few and check the barrel...
    My Anchor is holding fast!

  11. #11
    Boolit Master

    Uncle Grinch's Avatar
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    I lube/size all my boolits then coat with BLL for that “extra” lube protection.
    Shoot Safe,
    Mike

    Retired Telephone Man
    NRA Endowment Member
    Marion Road Gun Club
    ( www.marionroad.com )

  12. #12
    Boolit Master


    David2011's Avatar
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    Conventionally lubed boolits run through a Star or Lyman loober are VERY clean on the bands and all of the lube is in the grooves. Why would tumble lubed need to be any different?

    Md2hunt, even without knowing what your method of lubing is I would say that you shouldn't need to lube again after sizing. Welcome to CastBoolits and a serious addiction!
    Sometimes life taps you on the shoulder and reminds you it's a one way street. Jim Morris

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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