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"Standard" Bullet for Factory .243

Discussion in 'Rifle Country' started by HoosierQ, Mar 13, 2013.

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  1. HoosierQ

    HoosierQ Member

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    Is there a standard bullet weight for Factory .243? A buddy told me that "95 grains is the 'standard' for .243".

    Now I am pretty sure he's not actually joshing me but maybe he's not quite on the mark either. My understanding is that the .243 is designed to perform with a very wide variety of bullet weights. It's hard to find right now. There's lots of 100 grain (it's Indiana so you can't hunt deer with it) to be had. I found a bunch of 59 grain which would be great for varmints. What I don't see, on shelves or on-line, are the 80ish sized bullets. Which would lead me to think that 80 or thereabouts would constitute a "standard"...based on popularity.

    Now my buddy, who's knowledge of guns is not proportional to the number of guns he owns (a lot) probably means by "standard" a bullet weight optimized for the 1:9.25 twist.

    Does this even make sense? Given the general purpose nature of this thing, I was planning on starting out with a middle weight bullet and if it is accurate, stick with it.
     
  2. David Clark

    David Clark Member

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    I shoot a 6 mm br with a 1 in 14 twist and don't shoot over a 70 gr. bullets but with your 1 in 9 you can shoot anything you want.!!!
    Dave
     
  3. taliv

    taliv Moderator

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    not quite, David

    the popular 115 DTAC requires a 1-8 twist and i think the long 105 berger hybrids do too. i know GAP chambers all their 243s with a 1-7.7 twist bartlein because a "8 twist" barrel that actually measures 8.something will not stabilize the longer bullets.

    i guess i could take 15 seconds and look up the 107 SMK, but my guess is it needs an 8.5 twist or better
     
  4. matrem

    matrem Member

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    100 is the "standard" on the heavy end, and, thanks to Nosler, 55 is the lightest "standard" I'm aware of.
    Anything from 70-100 is standard in .244 bullets.
     
  5. sixgunner455

    sixgunner455 Member

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    The most common on the shelves around here is 100gr. Mine shoots Hornady 100gr interlocks extremely well. Those are *my* standard load. :D
     
  6. Art Eatman

    Art Eatman Administrator Staff Member

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    I don't know about "standard", but "common" would generally be bullets of 80 to 100 grains. That's generally what's regularly on the shelves at the LGS. :)

    FWIW, my 1:10 twist groups very nicely from 55 grains through 85 grains; sub-MOA. I tried Nosler 100-grain bullets with no luck at all for a decent group.
     
  7. Pacsd

    Pacsd Member

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    As many bullet weights that are avaliable for reloading in all calibers who is to say what is a standard for a particular caliber? I don't your bud knows too much. I'm with sixshooter. My standard for my .243 is the Sierra 100 gr BTSP.
     
  8. HoosierQ

    HoosierQ Member

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    I am a centerfire rifle no-nothing. Owned a few milsurps and an AR but never a scoped rifle. I'll never achieve the sort of knowledge that so many folks here have.

    So since 100 grainers seem like a popular choice (forget standard - poor choice fo words) and are in fact quite plentiful around here since you can't shoot deer with that here, it seems like that might be the round for me to standardise upon and more importantly, zero my scope on.

    So at 100 yards, just a spitball, how much less will light bullets drop? Lets say a 59 vs a 100 grainer. Are we talking a foot here are just a little bit?

    PS. I can't wait to get to the range but it's still freezing cold here so all I can do is write on the doggone Internet:banghead:
     
  9. joed

    joed Member

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    From what I've seen the 80 gr bullets are the most popular which is why you don't see them in stock. I have the same problem in OH, can't hunt deer so the heavy bullets can be had. You can hunt varmint so the lighter stuff is hard to find.
     
  10. 351 WINCHESTER

    351 WINCHESTER Member

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    80 and 100 were the gold standard for decades.
     
  11. 243winxb

    243winxb Member

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    Sierra 85 gr Gameking HPBT #1530
     
  12. Art Eatman

    Art Eatman Administrator Staff Member

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    I zero all my centerfires for two inches high at 100, which generally puts me right at dead-on around 200 or a tad more. Works fine for Bambi or coyotes with my 85-grain load, and is plenty good for prairie dogs with the 55-grain to my usual 300 yard limit.
     
  13. browningguy

    browningguy Member

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    It should be able to shoot anything from 50-100 grains without a problem. If you are going to shoot the 107 SMK's then you probably need a 1:8 twists, and the 115 DTAC's really shoot best in a 7.5 twist.
     
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