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Thread: H4831 and .270

  1. #1

    H4831 and .270

    Not after any secret loads, but I have a question for the experts!

    I reloaded 130g SPs earlier today using H4831 with a view to working up to an optimum load. I've reloaded 6 sets of 5, with charges weighed from 56 to 58gr, with half-grain increments. I noticed the Lee manual states a 'never exceed' of 60gr, but this won't allow a bullet to seat correctly I assume the charge would need to be compressed if you loaded it this hot?

    Edit: Spelling correction
    Last edited by Woodsmoke; 06-06-2015 at 18:12.
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

  2. #2
    Assume there is a typo in the 4811
    depends entirely on brass

    brass of this size can have as much as 4-5gr volume difference which can make all the difference to compressed loads

    I have several loads that are compressed especially in 100gr .270, 208gr 300wm and 52gr .222

    Nothing inherently wrong with compressing powder so long as the pressures are ok

  3. #3
    Just noticed it's suffixed with a 'c' for 'compressed'

    Feel free to point and laugh
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

  4. #4
    Quote Originally Posted by bewsher500 View Post
    Assume there is a typo in the 4811
    depends entirely on brass

    brass of this size can have as much as 4-5gr volume difference which can make all the difference to compressed loads

    I have several loads that are compressed especially in 100gr .270, 208gr 300wm and 52gr .222

    Nothing inherently wrong with compressing powder so long as the pressures are ok
    Thanks Bewsher. I kind of figured it out when I saw the 'c'. And yes, typo. Sorted now

    I don't want to get near the never exceed mark as I actually want to slow the bullet down bit if I can. I shot my .270 at around 2800fps in the US & really liked the load. Stupidly though, I didn't record the details, so I need to try & recreate it. H4831 is listed as a superb .270 powder, and I can get it easily, so I might as well stick with it
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

  5. #5
    It's up there with rl22, n160 as the powder of choice
    i also run my 130gr at around 28-2900
    does the job, accurate and at 54gr of powder I am getting 10% more loads out of a tub!

    Book data is as ever....a guide based on someone else's rifle and components
    your max could be much less or much more.....

  6. #6
    54g??? I might just make up a few at that & see how they perform then
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

  7. #7
    I load 57grs H4831sc 130 gamekings sweet load just in the process of trying ramshot magnum as I can not get H4831

  8. #8

  9. #9
    58 grains of h4831sc with 130g game kings shoots well in mine

  10. #10
    Thanks mate. It's Game Kings I'm using, right enough. I think that's the standard Federal bullet? I like the results I got with the standard Federal loads well enough, but I really want to slow it down a bit.

    As an extra question........I know 4831 is maybe a bit slow for 22-250, and its not listed in the Lee manual, but has anyone used it for this calibre?
    Last edited by Woodsmoke; 06-06-2015 at 21:32.
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

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