bullet length

  1. Snidely70431

    Calculate Twist Rate, Bullet Length and Muzzel Velocity for optimum bullet stability

    https://www.tmtpages.com/twistrate.htm The above link will take you to an article with a calculator with which one can figure out the best bullet length for a given twist rate, groove diameter, and velocity. Actually, any of the variables can be calculated. This is merely a picture of the...
  2. Harriw

    Hornady 9mm Bullet Lengths (Reference for RMR Load Workups)

    Good morning folks, Does anybody happen to know the nominal length for Hornady's 124 Gr. and 147 Gr. FMJ RN bullets? I can't seem to find it online anywhere. I'm just starting to work up loads for some RMR 124 and 147 Gr FMJ bullets (just opened the bags and measured some sample bullets this...
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