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Thread: .308 reloading data

  1. #1

    .308 reloading data

    Does anyone have any data for a 175gn bullet with reloder 15?

    I understand its very similar to N140 so can i use n140 data for reloder 15?

    Cheers
    Last edited by Beretta; 11-01-2013 at 17:22.

  2. #2
    Quote Originally Posted by Beretta View Post
    Does anyone have any data for a 175gn bullet with reloder 15?

    I understand its very similar to N140 so can i use n140 data for reloder 15?

    Cheers
    why not look on the Alliant web site for data,no good uisng other brands data as that could be deadly

  3. #3
    Because they dont list RL15 with a 175gn bullet.

    Its the only powder i could get pratically.

    Iam asking if anyone has used it before on what data?

  4. #4
    The starting load for a 180 grain bullet and Reloader 15 is 39.6 grains, I'd work up from there.

    Neil.

  5. #5
    You could email Alliant and ask them: I've found them very helpful in the past.

  6. #6
    Quote Originally Posted by Hornet 6 View Post
    The starting load for a 180 grain bullet and Reloader 15 is 39.6 grains, I'd work up from there.

    Neil.
    Yes, Yes, and emphatically YES! Start with the data for the next heaviest bullet!! Good Grief!~Muir

  7. #7
    I use n140. 150 spbt hornady heads 43.8grans & I get very good groups

    kevin

  8. #8
    ...and I use IMR 4895 with 168 grain bullets with excellent results.

    But that doesn't help with the OP's original question and dagnabbit, he seems stuck on RL-15 and 175 grain bullets despite our collective successes.~Muir

  9. #9
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    I understand its very similar to N140 so can i use n140 data for reloder 15?
    NO!

    And just in case it got missed....

    NO!

    They may be immediately next to each other in the burn rate tables but that does not mean that they are the same. And even for bullets of the same weight you should not, in fact, use the data "straight across". An example would be data for moly coated bullets, or solid copper bullets, or "partition" type bullets where all are, nominally, 175 grains.

  10. #10
    Quote Originally Posted by enfieldspares View Post
    NO!

    And just in case it got missed....

    NO!

    They may be immediately next to each other in the burn rate tables but that does not mean that they are the same. And even for bullets of the same weight you should not, in fact, use the data "straight across". An example would be data for moly coated bullets, or solid copper bullets, or "partition" type bullets where all are, nominally, 175 grains.
    Pressure changes for different types of bullets, of similar composition and form, are generally small but when changing bullets you must go back to the beginning with lowest charge weights and work up again. In that sense, data cannot be used straight across, but 175 grain data is 175 grain data and useable provided you start anew when switching bullets. ~Muir

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