HK45 + Jarvis 6.02" Ported Barrel. Loss of Velocity?
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Thread: HK45 + Jarvis 6.02" Ported Barrel. Loss of Velocity?

  1. #1
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    Default HK45 + Jarvis 6.02" Ported Barrel. Loss of Velocity?

    Hi all,

    I have an HK45 with a Jarvis 6.02" Ported Barrel.

    There are three small ports in the barrel. I don't have access to a chronograph, and i'm wondering how much loss of velocity I should expect from the porting of a longer barrel.HK45 + Jarvis 6.02" Ported Barrel.  Loss of Velocity?-jarvisb.jpeg

    Thanks!

  2. #2
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    Join Date : May 2005
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    You'll probably still have some gain over the original.

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