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What is the optimum barrel length for .308?

Discussion in 'Rifle Country' started by 12guagecody, Mar 1, 2011.

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  1. 12guagecody

    12guagecody Member

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  2. bpl

    bpl Member

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    Depends upon application.
     
  3. R.W.Dale

    R.W.Dale Member

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    I'm shooting a 308 with a 30" barrel which still seems to produce meaningful FPS gains over 24 and even 26" tubes.

    I'm still deep in load development but I already have loads pushing 175g HPBT's north of 2850fps and 150's above 3k


    Tapatalk post via IPhone.
     
  4. Z-Michigan

    Z-Michigan Member

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    This article may be informative:
    http://www.tacticaloperations.com/SWATbarrel/

    No argument with R.W. Dale, depending on powder choice 30" and more will produce some additional velocity. The point at which more barrel starts slowing the bullet instead of accelerating it is probably in the 35-40" range, again depending on load.

    My 2 cents - for most uses other than F-Class, 22-24" is all that's useful, and for most shooting inside of 600 yards, 18" is quite adequate and much handier.
     
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