A substitute for H 4831

Discussion in 'Handloading and Reloading' started by snowman357, Jul 22, 2022.

  1. snowman357

    snowman357 Member

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    I use H 4831 in my 280 and 260, the 280 is for hunting , 260 is target shooting with hopes of shooting 500 yards soon. I have used bullets from 123 to 140 in the 260 have not settled on a bullet yet. H4831 is hard to find so I am inclined to change to something else that may be easier to find, would like something close to 4831 and have the temperature quality of the 4831. I normally have a large stock pile of supplies to get through shortages, but I got the 260 during this shortage. May try ramshot hunter but don't see much about it.

    Snowman357
     
  2. Laphroaig

    Laphroaig Member

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    It sounds like you already know that IMR 4831 is quite a bit different and not even close to a 1:1 swap. Its not temperature insensitive either.
     
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  3. Howa 9700

    Howa 9700 Member

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    You may want to check your local suppliers. H4831sc has been showing up pretty regular locally. Have picked up as much as I wanted.
     
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  4. GooseGestapo

    GooseGestapo Member

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    RL22 is probably the closest replacement for H4831. The newer 4451 might work too.
    IMR7828 is a tad bit slower,might work too.
    My .260Rem is very partial to RL22...
     
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  5. 243winxb

    243winxb Member

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  6. Charlie98

    Charlie98 Member

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    I've actually seen it at my LGS as well... it's out there. I would probably check Powder Valley every afternoon...
     
  7. ArchAngelCD

    ArchAngelCD Member

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    From what I'm told the fairly new IMR4955 is close to H4831 but you will need to see if it does a similar job.

    The newer IMR & Winchester powders are usually more available since they try to push the new stuff to develop a following.
     
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  8. kalielkslayer

    kalielkslayer Member

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    My .280 with 150 gr pills loves RL19, but good luck finding that too.

    I have a bottle of H4381sc I bought during the worst of this last s#|t show. But I could only get 1 due to the limit at the LGS so I’m selling it to a friend. How much? I told him to price it at MidwayUSA and that’s the price I’ll sell it although I probably paid more at the LGS.
     
  9. stillquietvoice
    • Contributing Member

    stillquietvoice Contributing Member

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    I haven't used h4831 but have used hunter in 243 win and 7mm08. Got decent velocity and accuracy. Hunter however isn't as temp stable as 4350 or likely 4831, got so.e pressure signs and groups opened in the upper charge range closer to max, settled on charges about 1 gr below max.
     
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  10. horsey300

    horsey300 Member

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    4451 and 4955 would probably be the closest ones I can think of, 4451 is closer to 4350 in burn rate, but I've hade no issues and it's been stable enough for my temp swings, 4955 I haven't yet played with, really if 4451 doesn't do it I'm usually into h1000/retumbo burn rates, I used to play with 4831sc but kinda moved on....
     
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  11. Blue68f100

    Blue68f100 Member

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    I've played with the 4451 in my 6.5 CM. You give up 100fps but everything else is all good.
     
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  12. Charlie98

    Charlie98 Member

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    That's my basic experience with it as well.
     
  13. Bfh_auto

    Bfh_auto Member

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    You might try imr7977. In my limited experience it's closer to h4831 than h1000.
    I've used H1000. It was accurate. But I have short barrels on my 280 AI and 260. So I moved on.
     
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  14. 243winxb

    243winxb Member

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    H4831 is a single base powder or AR2213SC, as it's called in Australia.

    Newer double based powders will have Nitroglycerin.

    I would watch for an 8 pound container of H4831
     
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