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Thread: ideal barrel length for 223, is there a formula?

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  1. 15-11-2021, 05:31 PM #1
    Cordite
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    I have heard it said longer barrels have lower ES, possibly due to more complete powder burn. I don't have a reference for it.

    If it would give a practical advantage is questionable since longer barrels are also expected to be whippy and a long heavy barrel profile means poor balance, but then again everyone uses bipods.
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  2. 15-11-2021, 06:25 PM #2
    gimp
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    Quote Originally Posted by Cordite View Post
    I have heard it said longer barrels have lower ES, possibly due to more complete powder burn. I don't have a reference for it.

    If it would give a practical advantage is questionable since longer barrels are also expected to be whippy and a long heavy barrel profile means poor balance, but then again everyone uses bipods.
    Longer than what? My load in my 18" rifle has a 1.7fps SD so rifles with shorter than traditional barrels certainly don't struggle to have good ED/SD.
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