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Thread: Cast Bullets and Lube ?

  1. #1
    Boolit Mold
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    Cast Bullets and Lube ?

    I'm totally new to cast bullets. I'm shooting a Ruger No. 1 in 45-70 and 38-55.
    I ordered some cast bullets from a couple different sources. One supplier sent me gas checked lead bullets, with no lube in the grooves.
    All other bullets came lubed, weither gas checked or not.
    Can I shoot these bullets without being lubed? And if not, what's the best way to lube them?
    Thanks.

  2. #2
    Boolit Master 405grain's Avatar
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    You can't shoot cast bullets dry or it will cause a huge lead build up inside the barrel. There are lots of ways to lube those bullets: you could pan lube them, swirl lube them, run them through a lubricator/sizer, etc. Many folks will come along with suggestions. In the meantime use the search function on this site to look up lubricating bullets, look up lubricating cast bullets on youtube, and do an internet search on the subject. There's a flood of information out there, but as you find the answers, you'll also find answers to questions that you didn't even know about.

    For example: when you load cast bullets you'll need to slightly bell the mouth of the case, or else the case mouth will shave lead off the sides of the bullet when it's seated. The case mouth bell only needs to be big enough for about half the depth of the gas check to start into the case. Second: cast bullets work better at a lower velocity than jacketed bullets. Because cast bullets don't have a hard copper jacket they expand at lower velocities. Both of the calibers that you mentioned operate an velocities that are a good fit for cast bullets. Anything much above 2000 fps requires some advanced techniques to get really good accuracy & performance. Third: cast bullets without gas checks are usually best at velocities up to around 1400 to 1500 fps. Much beyond that and you'll start to get gas blow-by, which can result in barrel leading. Gas checked bullets are good for any cast bullet velocity. There's lots more to learn, so welcome aboard.

  3. #3
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    Larry Gibson's Avatar
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    Being "totally new to cast bullets" I suggest you download [It's available free on this forum.] Lyman's Cast Bullet Handbook #3 and/or purchase Cast Bullet Handbook #4 and read the front half. It will give you the basic information on casting, loading and shooting cast bullets. You'll also find data for the loads to use in your rifles.
    Larry Gibson

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  4. #4
    Boolit Buddy
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    Are you sure they are not clear powder coat? Call whoever you purchased them from and ask if they are clear powder coat or why they didn’t lube them.

  5. #5
    Boolit Buddy

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    Think I would check with the supplier. If a mistake, he would probaly make it right.. If my memory hasn't slipped too far I believe I have seen sources that afforded "naked" bullets for the guys who have Grandpa's secret BP lube. GW

  6. #6
    Boolit Master nvbirdman's Avatar
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    If they truly are unlubed, your best bet would probably be to get some Lee liquid alox. Doesn't cost much and easy to apply.

  7. #7
    Boolit Mold
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    Thanks guys, I'll call the supplier. There the bullets Midway USA sells.

  8. #8
    Boolit Master
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    What did you buy. I’m sure someone on here can figure out the issue but without details all we can do is guess.

  9. #9
    Boolit Master mehavey's Avatar
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    These ?
    https://www.midwayusa.com/product/1988357652

    (note they have " ...a clear, dry lube, which is barely noticeable on the bullets.")

  10. #10
    Boolit Master


    GregLaROCHE's Avatar
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    I read the comments on the Midway site. It seems they do have a kind of lube on them and with the gas checks, people say they don’t lead without any additional lube.

  11. #11
    Boolit Mold
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    Quote Originally Posted by mehavey View Post
    These ?
    https://www.midwayusa.com/product/1988357652

    (note they have " ...a clear, dry lube, which is barely noticeable on the bullets.")
    Yes, only the ones for the 38-55. They sure don't look like there's any clear lube on them to me.

  12. #12
    Boolit Grand Master

    stubshaft's Avatar
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    They should be adequate for "Trapdoor" loads, but if driven too fast they may lead.
    Old enough to know better, young enough to do it anyway!

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  13. #13
    Boolit Master Sasquatch-1's Avatar
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    This from the description from the link you posted.

    The special lube process used by Cast Performance produces a clear, dry lube, which is barely noticeable on the bullets. This lube is a better tinning agent than any lube previously used on these cast bullets and produces less leading in the barrel. This allows you to spend more time shooting and less time cleaning your gun. The consistency of the lube also creates less mess at the reloading bench.
    A vote for anyone other then the conservative candidates is a vote for the liberal candidates.

  14. #14
    Boolit Grand Master
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    If the bullets are to be used with black powder, I’d want some definitely visible lube… not only does it lubricate, but proper lube leaves the fouling soft and easier to clean/remove. I’ve used Lee’s TL on a standard 45-70 bullet for just a few shots, but not for a long run (like a BPCS match). I wouldn’t dream of loading a 38-55 without some “old fashioned” lube, but that’s JMHO, FWIW.

    Froggie
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  15. #15
    Boolit Grand Master

    mdi's Avatar
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    From Midway website;

    "The special lube process used by Cast Performance produces a clear, dry lube, which is barely noticeable on the bullets. This lube is a better tinning agent than any lube previously used on these cast bullets and produces less leading in the barrel. This allows you to spend more time shooting and less time cleaning your gun. The consistency of the lube also creates less mess at the reloading bench.".
    My Anchor is holding fast!

  16. #16
    Boolit Master


    GregLaROCHE's Avatar
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    So what is this new mystery lube? Does anyone know more about it? Is it possible for us casters to use it?

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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