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Thread: What powder

  1. #1

    What powder

    What powder are you guys using in your loads for your .243 win 100 grain rounds I'm using viht n160 but wondering if there's a powder that would be better suited and give me better velocities ?

  2. #2
    RL17, RL19, RL22, Superformance and H380 are all good powders for .243

  3. #3
    Ramshot Hunter, H414, Win760

  4. #4
    I only use Vit N160 in my 243, a 95gn Hornady SST with 42gn of N160. Deadly accurate and puts muntjac down to the shot.

  5. #5
    Cheers guys some food for thought

  6. #6
    Don't work up a load with RL22. Nothing wrong with the powder but it's just too hard to get hold of!

  7. #7
    How long is your barrel?

    According to VV any of the double base 500 series

    N140 isn't listed but is a good match
    Varget or Fairy dust/Unicorn dandruff

    I would personally be wary of chasing velocity
    The marginal increases you are looking at (sub 100fps) won't make a jot of difference unless it happens to coincide with an accuracy node


    6,5 100 Grand Slam Speer 68,3 2.689 N150 1,86 28.7 722 2369 2,23 34.4 839 2753
    N540 1,97 30.4 770 2526 2,33 36.0 878 2881
    N550 2,21 34.1 787 2582 2,48 38.3 885 2904
    N160 2,23 34.4 769 2523 2,58
    39.8
    873 2864

  8. #8
    20 inch Bartlein and I'm currently getting 2920 with 44 grains of n160 and 100grain Sierra prohunter but in my last barrel (factory 20inch) I was getting 3100 from 44.5

  9. #9
    I'm loading 100gr Sierra game kings with IMR 4831. Running at 2980fps from a 22" barrel.

  10. #10
    Quote Originally Posted by Benji53 View Post
    44 grains of n160 and I was getting 3100 from 44.5gr
    jesus!
    How long does the brass last?
    surprised you can get 44.5gr behind a 100gr round without loading right out the case

    does that 80fps make any difference to the accuracy?

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