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Ammo choice for 1-7 twist .223

Discussion in 'Rifle Country' started by joed, Apr 27, 2012.

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  1. joed

    joed Member

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    Anyone finding these fast twist barrels have a preference for a certain weight bullet? Seems once you go beyond 62 gr it's all match. I'm guessing 55 gr isn't going to shoot that well but haven't tried it yet.
     
  2. snakeman

    snakeman Member

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    Try it. I've found that even guns with the same twist will prefer considerably different bullet weights. It's all a matter of what your gun prefers.
     
  3. gotigers

    gotigers Member

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    It will shoot 55gr just fine. Remember non match out of the typical AR will be 1.5-4 MAO. You can find some heavier non-match, PVRI, at Aim Surplus when they have it in stock. You should try different weight, manufacturer, bullets to find which ammo your gun likes.
     
  4. Nicky Santoro

    Nicky Santoro Member

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    OP,
    I've shot plenty of 40gr out of 1/7 with no problems or discernible loss of accuracy compared to the same ammo out of 1/9. This grain vs twist suddenly seems to be the hot topic. IMO, the quality of the ammo is far more important.
    FWIW
    YMMV
     
  5. joed

    joed Member

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    I'm probably speculating but my last .223 with 1-9 twist wouldn't shoot anything under 55 gr with much accuracy. You had to see it shoot the 69 gr to believe it. My guess is the 1-7 is going to like 65 gr to 80 gr.

    But I'm still going to try different weights.
     
  6. Robert

    Robert Moderator Staff Member

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    I shoot 55gr out to 400+ yards with my 1:7 with no issues. Though I am just shooting steel targets so tiny little groups are not what I am after.
     
  7. henschman

    henschman Member

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    +1... my 20" AR with 1/7 twist shoots 55 grain just fine.

    Just try some different types and see what yours likes.
     
  8. NJGarand

    NJGarand Member

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    My RRA 1/9 has shot anything I've put in it pretty well, but so far does the best 69gr Remington HPBTs.

    As others said, it all comes down to what shoots best in your particular rifle.
     
  9. ms6852

    ms6852 Member

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    Mine has a 1/8 twist and loves the 55gr. Your 1/7 will shoot 55gr just great. It will also shoot the heavier one for hunting just as great. You need to develop a load for your rifle particular likes...after all it is a 22 and all 22's are finicky eaters. You must realize when it comes to AR platforms the standard accuracy on this rifles regardless of cost or manufacturer, they are all 1.5 MOA or more at 100 yds.
     
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