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CMP .223 Hornady Match Ammo

Discussion in 'Competition Shooting' started by billybe, Aug 26, 2010.

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  1. billybe

    billybe Member

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    I noticed the CMP has the Hornady .223 75 GR BTHP Match. I have a RR NM and would like to know how this would do at 100 and 200 yards. I have never fired factory ammo from this rifle, only my reloads with great results. Just interested if this would be worthwhile to experiment with. I currently use the Sierra 53 GR HP. Thanks to all.
     
  2. TexasRifleman

    TexasRifleman Moderator Emeritus

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    What twist rate does your rifle have? 75gr will require 1:7 or 1:8 usually. Sometimes you can get by with 1:9 but it seems iffy.
     
  3. VinnAY

    VinnAY Member

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    ^ I would echo this, when I saw 75gr my first thought would be the rifling twist
     
  4. shooterer

    shooterer Member

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    I shoot Hornady 75gr HPBT (reloads) out of my RRA NM A2 at all the stages. One gun, one load. You will be fine.
     
  5. lonegunman

    lonegunman Member

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    I've been running 77's across the course in an RR service rifle, they run fine but you need 1-7 or 1-8 to make it happen.
     
  6. Intrepid Dad

    Intrepid Dad Member

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    Per TexasRifleman on August 26, 2010:

    I have a Bushmaster with a 1:9 twist. What would happen if I were to shoot 75gr ammo? Is it dangerous or just that it's not as accurate as a smaller bullet.

    What is the largest bullet one should shoot in a 1:9 twist barrel? 69gr?

    I'd appreciate any input from TexasRifleman or others.

    Thank you.

    IntrepidDad
     
  7. alemonkey

    alemonkey Member

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    Not dangerous, a slower twist just might not stabilize a heavier bullet enough to be very accurate, especially at longer ranges.
     
  8. Intrepid Dad

    Intrepid Dad Member

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    Alemonkey, Thanks for your response. I appreciate it.

    Intrepid Dad
     
  9. dzelenka

    dzelenka Member

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    Many, if not most, 1:9" barrels will stabilize the 75.
     
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