IMR 4831 Go to powder for what?

Discussion in 'Reloading' started by jmason, May 20, 2009.

  1. jmason

    jmason Well-Known Member

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    What cartridge is this a go to powder for? I have about 7.5 pounds. I bought a 8# jug about a year ago thinking it would be good in my 270 Win. I've tried it with several bullets and it hates this powder.
     
  2. phorwath

    phorwath Well-Known Member

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    338 Win Mag.
    300 Win Mag.
    7mm Win Mag.

    It's a pretty useful powder for many of the middle of the road centerfire rifle cartridges. Just a slightly faster burn rate than Hodgdon 4831.
     

  3. jmason

    jmason Well-Known Member

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    Thanks. Got 2 of the 3.

    BTW I haven't had a windless condition to check and report spin drift findings yet. Didn't want you thinkin I forgot.:)
     
  4. LewisH

    LewisH Well-Known Member

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    Try a different .270 or barrel.

    .270 WCFs love IMR 4831. If it won't shoot with 57-58gr IMR 4831/130gr Sierras, you obviously have a rogue .270...It happens. :D
     
  5. jmason

    jmason Well-Known Member

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    got some 130gr BTs I haven't tried yet, but all the other bullets didn't work with this powder. You not the first person to tell me my barrel has a mind of it's own either.:D
     
  6. woods

    woods Well-Known Member

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    I clicked on this thread thinking 270 all the way. Also 30-06 with 165's and 300 win mag with the lighter bullets.

    Have one friend's Sako 338 win mag that it is the best load for his gun at 72 gr with 225 gr flat base TSX's.

    Had a Sauer lightweight 30-06 that would shoot well with 59 gr and the 168 TSX's.

    A 280 Wtby lightweight with 56 gr and the 140 gr Accubonds

    Numerous 270's but mostly with the 140 gr bullets. IMR4350 worked best for me generally with the 130 gr bullets.
     
  7. dozernomore

    dozernomore Member

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    just worked some loads up for savage predator hunter 243 win 45 grain HP,,,and a savage 7mil rem mag,,,162 grain BT,SP,with this powder,,,and both rifles shooting 4 shot's to 5 shots ,,,sub moa
     
  8. johnnyk

    johnnyk Well-Known Member

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    I tried it in the first 7Mag Sendero that I had with 150gn Ballistic Tips and Rem 9.5M primers. I was getting .2's with 64.5gn and again at 66.0gn.
    I also have gotten exceptional accuracy (.2's) with two different .243's. I used 90gn Ballistic Tips in the first rifle (Rem 700 Varmint Special) and 85gn Winchester HP's in the second rifle (Win 70 HVB). Both rifles liked 44.5gn of IMR 4831 and CCI BR2's.
    I wish I had 7.5lbs of it! JohnnyK.
     
  9. royinidaho

    royinidaho Writers Guild

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    Throw the dang'd stuff away. Back in the "day", all the manuals said 60 gr of 4831 and the 130 gr Sierra was good for the magic 3000 fps plus. It did shoot pretty well, hung around .75 MOA for and harvested may mule deer.

    Then I bought the Oehler chrony, the first one with the paper screens. My favorite load was going a bit over 2800 fps. The finding resulted in a major depression.:rolleyes:

    Since then 4831 and I have had an estranged relation ship. Maybe in one of the larger calibers with a heavy bullet and a case large enough to to hold some powder. I've tried 4831 in a 338 Win and 338 RUM with less than impressive results. 7828ssc seems to out do it in the cartridges I've tried.

    Oh, and after thought, don't use light loads of 4831 in anything like a 22-243. The/a secondary/reflected pressure wave makes things come apart. Makes your hand tingle as pieces are spread around the firing line. Was there once as a witness.:rolleyes:
     
  10. LewisH

    LewisH Well-Known Member

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    "Throw the dang'd stuff away. Back in the "day", all the manuals said 60 gr of 4831 and the 130 gr Sierra was good for the magic 3000 fps plus. It did shoot pretty well, hung around .75 MOA for and harvested may mule deer."

    IMR 4831 is faster than H4831, and is a completely different powder.

    That 60gr/4831/130gr bullet/ .270WCF load was Jack O'Connor's famous recipe based on surplus WWII 20mm Oerlikon H4831

    Today's H4831 is much the same, except you can't buy it in paper bags for a few cents/lb anymore. :)
     
  11. yellowjacket

    yellowjacket Active Member

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    IMR 4931 is a really great powder in many,many cartridges. Some that I have had extensive experience with is 6mm Rem., .243, 30:06, .270 win., and 7mm Rem. Mag. I would certainly questiion my .270 rifle if I could not find a good load with IMR 4831.
     
  12. royinidaho

    royinidaho Writers Guild

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    I achieved consistent 3/4" average 100 yd groups, 5 shots, for years. The low velocity bugged me.......... I believe 60 grains of either of the 4831 loads was a compressed load.
     
  13. Tyler Kemp

    Tyler Kemp SPONSOR

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    6mm Ackley! Tons of velocity!
     
  14. Digger49er

    Digger49er Member

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    The 300 Win Mag! I been using 71.0gr of IMR 4831 under a 190gr SMK seated .005 off the lands in a Savage 112 HB for years. ( Primer = Fed 215M ) It's consistent and accurate. I'm proud to say I have shot several 1 hole groups ( 3 shots ) with it. Velocity is just under 2800 fps.