Truncated bullets

Truncated bullets

This is a discussion on Truncated bullets within the Reloading forums, part of the Defensive Ammunition & Ballistics category; Having never loaded these before. Which data do I use? 230 gr. LTC, Lead swc? lrn? Oh, .45ACP...

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Thread: Truncated bullets

  1. #1
    Member Array Argus's Avatar
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    Truncated bullets

    Having never loaded these before. Which data do I use? 230 gr. LTC, Lead swc? lrn? Oh, .45ACP


  2. #2
    Distinguished Member Array coffeecup's Avatar
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    If they are lead bullets, use the lead bullet data for the weight bullets you have. Jackeed? Do the same.-- Start on the low end and work up.

  3. #3
    Member Array Argus's Avatar
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    Thank you, What concerns me the most is OAL. If I use data for a LRN for instance, it will be a little longer than a truncated bullet. How do I know how much deeper to set the bullet?

  4. #4
    Distinguished Member Array coffeecup's Avatar
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    Your loading manual should tell you seating depth. If it doesnt, I would start with a reduced loading and seat just a bit behind where the cone begins. Due to the cone shape you might be able to exceed 1.125 by just a hair, but dont bet on it.

    The .45 ACP is commonly thought to always headspace on the case mouth, but that is not always a fact because some barrels have a bit of freebore and the case can actually headspace on the boltface and extractor. It is a pretty rare happening, but it does occur now and then.

  5. #5
    Member Array Argus's Avatar
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    Thanks coffecup. I was thinking 1.25 which is what I normally use. I will check headspace and mag fit. Then cylce a few dummy rounds. Starting at lowest load for a LRN, I should be good to go?

  6. #6
    Member Array alnitak's Avatar
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    I've used Berry's plated (truncated) bullets and just set them so that the OAL was the same as for SWC in .44 and HP in 9mm. Then I used the loads for LSWC. Had very good experience with them in accuracy and recoil (similar to factory). No issues with feeding.

  7. #7
    New Member Array shooterwolf's Avatar
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    Try the same as your lswc. About a thumbnail above the case mouth.


    Shooterwolf.

  8. #8
    Member Array Argus's Avatar
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    Well, 1.25 won't chamber. I dropped it to 1.20 everything fits. When I drop one in the chamber headspce looks good.

  9. #9
    Distinguished Member Array coffeecup's Avatar
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    Sounds like you are "good to go".

  10. #10
    Member Array Argus's Avatar
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    Wanted to follow up. I loaded some of these at 1.205 I used Win 231 and Unique. I liked the Unique best. I started at 5.2gr and worked up to 5.5 grns. It was a little less smokey that the 231. Thanks for the input. I wish I had a crono so I knew what I was pushin with this.

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