Barrel Length and Velocity

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  • Barrel Length and Velocity

    A lot of folks are asking "What should I expect the velocity in my barrel when the posted load is for a different barrel length?"

    There are techniques for estimating velocity and some are better than others. If you want a precise estimate, try using this link: Velocity Estimator. On the other hand, if you want to get a quick idea you can try this chart:


    To use the chart, start with the barrel length for which your load is listed, move up to the velocity for that load, then move left or right parallel to the colored lines to your barrel length, and you have an estimate of your velocity. Precision is not as important as it might seem because the differences between chambers and barrels are frequently greater than the precision you use in working the chart!

    There will be times when the barrel length is not covered by the chart. In these cases, the link - "Velocity Estimator" - can be used to calculate the approximate velocity.
    Last edited by Guest; 08-11-2012, 12:17 AM.
  • JASmith
    Chieftain
    • Sep 2014
    • 1620

    #2
    This chart is ore handy than first impressions would suggest.
    shootersnotes.com

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    Comment

    • sneaky one
      Chieftain
      • Mar 2011
      • 3077

      #3
      Joe, can you update the findings on bbl. lengths & velocity.?

      Comment

      • sneaky one
        Chieftain
        • Mar 2011
        • 3077

        #4
        Yikes the virus may still be here

        Comment

        • sneaky one
          Chieftain
          • Mar 2011
          • 3077

          #5
          We are finding a few flaws on the forum-

          Comment

          • sneaky one
            Chieftain
            • Mar 2011
            • 3077

            #6
            This is running backwards...

            Comment

            • Lonehill
              Bloodstained
              • Aug 2013
              • 83

              #7
              This chart... shakes my head...

              Comment

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