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New DPMS 308 need 3031 ideas

Discussion in 'Handloading and Reloading' started by mleeber, Oct 2, 2011.

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  1. mleeber

    mleeber Member

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    Got a new to me 308, 18" barrel. I have some Hndy 150gr FMJ/BTs to try, does anyone have any experience with 3031 in an AR10? I have other powders but the 3031 is sort of extra since I do not shoot much 30-30 anymore.

    Thanks!
     
  2. rcmodel

    rcmodel Member in memoriam

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    IMR-3031 might not be my first choice for best .308 velocity, but it will certainly work.

    rc
     
  3. popper

    popper Member

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    Same rifle, same bullet, I use H335, H4895 and Varget. I use the same for 30-30 J or CB. 3031 is close enough. Shoot it up and then see if you need to make a different choice.
     
  4. helotaxi

    helotaxi Member

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    3031 is an excellent powder for the .308. Plenty of load data out there. I'm not near my stuff, but it shouldn't be difficult to find something.
     
  5. Slamfire

    Slamfire Member

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    I chronographed these loads in my Douglas Barreled M1a. Barrel twist was 1:10. You can compare the 168 load against the White Box load.


    150 gr Hornady FMJBT 41.0 grs IMR 3031 Lot 385 Mixed LC WLR OAL 2.785

    28 Sept 2008 T = 80 °F

    Ave Vel = 2693
    Std Dev = 40
    ES = 126
    High = 2747
    Low = 2621
    N = 14

    174 FMJBT LC79 Match M118 White Box
    18 May 2008 T = 71 °F

    Ave Vel = 2550
    Std Dev = 16
    ES = 41
    High = 2564
    Low = 2523
    N = 5

    168 Sierra 40.0 grs IMR3031 lot FEB23B LC90 CCI#34 OAL 2.750"
    18 May 2008 T = 71 °F

    Ave Vel = 2533
    Std Dev = 17
    ES = 45
    High = 2551
    Low = 2506
    N = 6
    v. good group
     
  6. ArchAngelCD

    ArchAngelCD Member

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    Load data is available from the Hodgdon Load Data Site. I have never used 3031 in the .308 or 30-06 but it's in the same burn rate range as a few other popular .308 powders. You probably won't achieve the highest velocities with it but the load data indicates acceptable velocities.
     
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