Relationship between barrel's life and twist...

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by TireurDelite, Jul 12, 2004.

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  1. TireurDelite

    TireurDelite Active Member

    Feb 9, 2004
    Relationship between barrel\'s life and twist...

    Hello all,

    Could you more experienced shooters answer the above for me?
    That is... My .223 is 1-12" twist but if I was to get someone to rechamber it with 1-7" so I could shoot heavier bullet, will the barrel last about the same?
    Thanks for your time.
  2. Varmint Hunter

    Varmint Hunter Well-Known Member

    Dec 26, 2001
    Re: Relationship between barrel\'s life and twist...

    I assume you mean that you will have someone "rebarrel" not rechamber your .223.

    You do realize that a barrel can not have its rifling twist changed; don't you?

    A 7" twist is very fast and would only be needed for bullets that are too heavy for a .223. At least in my opinion. If you are rebarreling, a 9" twist would allow you to shoot the 69gr HPBT or 75gr A-Max.

    Just my 22 cents

  3. MAX

    MAX Well-Known Member

    Sep 10, 2001
    Re: Relationship between barrel\'s life and twist...

    Barrel life would have very little to do with twist rate in either case. Barrel material, and to some degree the rifling configuration, as well as how hot your loads are will determine these things. Regardless or your path, you got a LOT of shooting ahead before you wear out a .223 barrel.