300WM 208GR A-MAX load recommendations.

Discussion in 'Reloading' started by WVHILLBILLYJLM, Feb 5, 2008.

  1. WVHILLBILLYJLM

    WVHILLBILLYJLM Member

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    Dec 23, 2006
    I just ordered some 208gr A-Max bullets for my 300WM. Does anyone recommend any loads for this bullet or similar bullet with Rl-22 or IMR-4831? They will be shot out of a 24" 1-10" twist barrel and will be used for hunting out to about 500yds.

    Thanks for any info!!

    WVHILLBILLYJLM
     
  2. Nomad

    Nomad Banned

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    Jul 1, 2007
    75gr of RL-25, 215M, win cases shoot a real nice group but not
    dont with testing of powders but RL-25 has shown the best groups so far.
     

  3. 30-06 boy

    30-06 boy Well-Known Member

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    my brother and my 300 wm like imr 7828. 71 to 73 grains with bullet just at or in rifling.be carefull.oh, cci br-2 primers.3" to 4" 3shot groups at 650 yards.jason
     
  4. WVHILLBILLYJLM

    WVHILLBILLYJLM Member

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    What about loads for the 210gr Bergers and Sierras. Would they be comparible to the 208gr A-Max?

    Thanks,

    WVHILLBILLYJLM
     
  5. WVHILLBILLYJLM

    WVHILLBILLYJLM Member

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    These are my results to this point.

    Load #1: Rl-22 @ 70gr, Win brass, F215 = 2654fps & .662" 3-shot group.

    Load #2: Rl-22 @ 71gr, same = 2731fps & 1.17" 3-shot group.

    Load #3: Rl-22 @ 72gr, same = 2779fps & .642" 3-shot group.

    All with no pressure signs. Do these velocities look normal for a 24" Barrel? I also had a scope ring come loose on load #2!

    Thanks,

    WVHILLBILLY
     
  6. kraky2

    kraky2 Well-Known Member

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    Your results are pretty close to what quick load guesses.

    It guesses......70 grains should do about 2733
    71 2771
    72 2809

    Quickload guesses you may be able to work up to just a hair under 2900 fps and still be at about 64k pressure.
    Again these are guess but if I were you I'd start working from 72 grains in .3 or .4 grain increments and see if you hit a really good accuracy "node".
     
  7. groper

    groper Well-Known Member

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    any else have any more recipes and results for 208gr Amax in 300WM?

    ill be using RL22 and H1000...
     
  8. load

    load Well-Known Member

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    Jan 18, 2010
    careful hot load but no signs of pressure in my gun.

    imr-4350 69.5 grains

    208 grn amax set .020 off lands (no it won't fit the mag)

    2950 fps

    24" mcgowen 1/10 bullbarrel

    3 shots one hole measuring .37"@100 yrds

    i loaded up to 70 grains but primers slightly cratered (very slightly probably ok but errored on the side of caution back to 69.5)
    set .020 off lands
    2975 fps
    2 shots same hole and one shot with center touching the other 2s outside diameter @ 100 yrds
    both very accurate
     
    Last edited: Jan 18, 2010