.243 Rechambering Questions

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by Elarski, May 5, 2003.

  1. Elarski

    Elarski Member

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    Apr 12, 2003
    Knocking around an idea in my head...let me know whether or not I shouldn't be traveling down the road I'm on.

    I have a Sporterized Mod. 98 which is begging to be rebarreled. I might have access to a new short chambered, fluted S.S. barrel in .243, can it be easily rechambered into something that will yield good accuracy at longer ranges? Or should I just pass on this barrel?

    Thanks,
    Elarski [​IMG]
     
  2. Guest

    Guest Guest

    Depends on the neck diameter of the short chambering, and the concentricity of the short chambering. It is very hard to chase a poorly aligned short chambering. Have your smith coaxially align the bore just ahead of the neck, and then check the chamber alignment.
     
  3. DANTEC

    DANTEC Well-Known Member

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    Jul 6, 2002
    best way to be sure to clean all the chamber ( 6 REM is smaller than 243 base ) is to use the 6/284 that a real power house and accuracy is not too bad

    good shooting

    DAN TEC
     
  4. Jim/Iowa

    Jim/Iowa Member

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    May 30, 2001
    I believe my 243 is losing the grouping (or I am)so I was thinking of doing something with it and a 6.5-06 and a 6.5-284 and a 260 has been suggested. With a whole bunch of 243 bullets I am thinking 243AI. What would be the best twist rate if I wanted some down range shooting? I find it diddicult to get decent groups with 100 grn. The rifle is a Parker-Hale wich has a Mauser action and 1-10 twist.
    Jim
     
  5. Jim/Iowa

    Jim/Iowa Member

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    Do we have a spell checker on this board I need one
     
  6. Guest

    Guest Guest

    The 1 in 9 will stabilize a 105 A-max past 1,200 yards, done that.
     
  7. HondoJohn6508

    HondoJohn6508 New Member

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    May 8, 2003
    Elarski,
    One cartridge you might consider is the 6mm Remington Ackley Improved. Would fit well in your 98 Mauser with few, if any, problems. Just a thought.

    Ol' John
     
  8. Jim/Iowa

    Jim/Iowa Member

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    S1
    Thanks for the input, could you recomend a replacement barrel mfg. for a 243 AI?
    Thanks
    Jim
     
  9. Guest

    Guest Guest

    I would say for the heavier .243 bullets, the Lilja 1/9 or 1/8 3 groove has performed the best, my second choice would be Kreiger.

    If I was trying to maximize bullet terminal performace for hunting with large bullets, I would opt for the 1 in 8. If I was punching paper, looking for that last 1/16 MOA in accuracy, and shooting some lighter bullets also like the 75 V-Max, I would opt for the 1 in 9 twist.

    I usually stock some barrels in 1/8, and 1/13 in .025 taper with flutes if you need something in a hurry.
     
  10. Elarski

    Elarski Member

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    Apr 12, 2003
    Thanks for all the info gentlemen. I passed on that particular barrel, but I've heard a lot of good about the 6.5 x 284. I'll probably go that route. [​IMG]
     
  11. Randy in Va

    Randy in Va Well-Known Member

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    Jan 9, 2002
    Elarski,

    I concur with S1. Lilja 1/8 3 land barrel does wonders for my 17 lb 6 shooting 105 Bergers. I think the 3 land is significant.