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Military 45ACP

Discussion in 'Reloading' started by TH237, Oct 29, 2012.

  1. I have looked a little but haven't found the info yet. Does anyone know what the mil specs are for the old 45acp? All I really need is the muzzle velocity. I have been told it is 830 fps.
    Thanks.
     

  2. Hoser

    Hoser Ninja

    2,350
    38
    May 22, 2002
    Some of the TZZ ball ammo comes in around 915-930. Smoking hot stuff. I shot many thousands of rounds of the stuff. Not fun. Hard on you and the guns.
     
  3. chemcmndr

    chemcmndr

    829
    0
    Aug 23, 2008
    Beavercreek, OH
    From reading around in a few of my reloading manuals, the 230 grain ball round for the military was designed for 850 fps from the 1911 platform.
     
  4. freakshow10mm

    freakshow10mm 10mm Advocate

    According to the US Military Small Arms Ammunition Technical Manual, the .45 ACP military ball ammunition specs are as follows:

    Cartridge length= 1.275 inches
    Cartridge weight= 331gr
    Propellant type= SR 7970
    Propellant weight= 5.0 gr
    Chamber pressure= 19,000 psi
    Velocity= 885fps +/- 25fps, 25.5 feet from the muzzle

    So the velocity range is from 860fps to 910fps at 25.5 feet from the muzzle, which means the commonly held 830-850fps at the muzzle isn't correct. That would be out of spec.
     
    Last edited: Oct 31, 2012
  5. Knellysford

    Knellysford CLM # 21 CLM

    54
    0
    Nov 15, 2001
    Near Gettysburg, PA
    " out of spec". That is probably the current "not Libel" load. :supergrin:
     
  6. tjpet

    tjpet

    1,843
    2
    May 14, 2001
    Utah-Idaho border
    WWII & Korean War .45 ammo I've chronographed ran in the 830-850fps range with amazing consistancy.