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Load Data for 7.7 Jap

Discussion in 'Handloading and Reloading' started by myhandle87, Oct 1, 2009.

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  1. myhandle87

    myhandle87 Member

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    Does anyone have some useful 7.7 Jap data? My handbook doesn't cover it.

    I need OAL, trim to length, and powder charges for IMR 4064. Any info would be of great use.
     
  2. rcmodel

    rcmodel Member in memoriam

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  3. R.W.Dale

    R.W.Dale Member

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    When all else fails I use much more common and up to date 303brit data if need be. If course start low and work up.
     
  4. myhandle87

    myhandle87 Member

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    Thanks folks, does anyone know the trim to length? I'm making the brass from 30-06 brass so that's pretty important....
     
  5. rcmodel

    rcmodel Member in memoriam

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    According to Hodgdon it is 2.260".

    Hornady says MAX case length is 2.270".
    Trim to length is 2.260".

    rc
     
  6. Kernel

    Kernel Member

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    According to my mystical modified Powley Computer, IMR 4064 is about the perfect powder for this cartridge. Good pick.
     
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