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Barrel Length? How long is too Long?

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Unread 02-25-2013, 11:13 PM
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Join Date: Feb 2013
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Barrel Length? How long is too Long?

Im relatively new to long range hunting and shooting. Life long hunter thought. Im building a 300 WSM on a stiller predator short action.

Is a 30 inch barrel too long? What is the optimal barrel length?
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  •   #2  
    Unread 02-25-2013, 11:38 PM
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    Join Date: Apr 2009
    Location: New Mexico
    Posts: 240
    Re: Barrel Length? How long is too Long?

    I think that 30" may be a bit extreme with a WSM, remember you need to be able to carry it around to be able to use it! I would opt for a 24-26" max length for the capacity of the WSM case.
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      #3  
    Unread 02-26-2013, 12:34 AM
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    Join Date: Jul 2004
    Location: Texas
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    Re: Barrel Length? How long is too Long?

    Quote:
    Originally Posted by Jeebes View Post
    Im relatively new to long range hunting and shooting. Life long hunter thought. Im building a 300 WSM on a stiller predator short action.

    Is a 30 inch barrel too long? What is the optimal barrel length?

    I have a general rule that works to get the best all round performance of most cartriges that
    goes like this.

    Case capacity = Up to 50 grains of powder =22'' to 24'' barrels.
    Up to 75 grains of powder =24'' to 26'' barrels.
    Up to 100 grains of powder = 26'' to 28'' barrels.
    And over 100 grains of powder 28'' +.

    Your 300 WSM will fall in the 24'' to 26'' bracket

    These barrel lengths will get most of the velocity that the case can produce.
    Add a few inches more you may get more velocity but the percentage will not be as good per inch.

    Where the largest bullets available are used, 2 more inches will help with huge ammounts of slow
    burning powder.

    Dan Lilja of Lilja barrels did a barrel length test and started with a 44" barrel and cut 2'' at a time,
    It is a good read.

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