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Why certain grain bullets

Discussion in 'Caliber Corner' started by jwagess, Jan 2, 2010.

  1. jwagess


    Aug 23, 2006
    For example 124 gr 9mm? Why not round it to 125 gr? What processs is involved in selecting a particular grain of bullet?
  2. JohnKSa


    Sep 8, 2000
    DFW Area, TX
    Who says that the guy who designed the 9mm was measuring bullet weight in grains? Maybe he was using grams as a weight measurement.

  3. Merkavaboy

    Merkavaboy Code-7A KUZ769

    Actually the original 9x19mm cartridge as designed by Georg Luger and loaded by Deutsche Waffen und Munitionsfabriken (headstamped: DWM K 480C K) was loaded with an 8 gram (123 grain) truncated cone flat point bullet (designated 278F). This was the loading that was used in the Thompson-LeGarde tests in 1904.