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7x57 velocity question

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  • donw
    Senior Member
    • Apr 2010
    • 1754

    7x57 velocity question

    not sure if this is the correct forum but i'll ask anyway...if it's not...hopefully some one will direct it to the correct forum.

    i want to cut my 22" barrel down to 20"

    how much will that affect the velocity on my 7x57 reloads?

    thanks
    NRA life member, US Army Veteran

    i am a legend in my own mind...

    we are told not to judge muslims by what a few do...yet, the NRA membership and firearms owners are ALL considered as radical...

    "The second amendment ain't about your deer rifle..."
  • #2
    Bill Steele
    Calguns Addict
    • Sep 2010
    • 5028

    It depends on the load you are shooting. Faster powders will show less of a difference, slower more. You hear a lot of rules of thumb, like 50 FPS per inch, etc. But really, it all depends on the load you plan to use.

    Likely, whatever you shoot with it won't know the difference.
    When asked what qualities he most valued in his generals, Napoleon said, "give me lucky ones."

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    • #3
      wtkaiser
      Senior Member
      • Oct 2011
      • 660

      You probably won't see 100 fps difference. Maybe half of that. But short barrels bug me, so I will stop now.

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