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M-1 Carbine, why not .45 Caliber?

Discussion in 'Caliber Corner' started by PurpleAngel, Sep 1, 2012.

  1. PurpleAngel

    PurpleAngel

    6
    0
    Feb 16, 2011
    When the U.S. Military (1940?) came up with the M-1 Carbine for non-front line troops, why could they have not just have used the .45 round instead of the .30 carbine round?
     
  2. banger

    banger

    1,482
    191
    Nov 8, 2005
    Where evil lives
    First, allow me to confess....

    I am pulling this from my butt....

    However, I seem to recall that the original spec. called for an effective range of 200 yards.

    This alone would have disqualified the .45 from possible adoption.
     

  3. collim1

    collim1 Shower Time!

    7,716
    1,222
    Mar 14, 2005
    USA
    They needed more velocity in order to have a 100+ yds effective range.