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Another Crimp Question

Discussion in '10mm Reloading Forum' started by texas 48, Mar 11, 2010.

  1. texas 48

    texas 48 Gold Member

    1,665
    49
    May 19, 2007
    San Antonio, TEXAS
    I have loaded a number of 165MG with starline brass with a 9.7gr charge of Power pistol. The crimp is .419 vs standard .421. Is this way over crimped? or is .002 not a big deal.
    Thanks
     
  2. JTknives

    JTknives

    227
    1
    Dec 1, 2009
    You know i don't know really know. i just crimp them like how double tap crimps theres. i measure there crimp at like .415 or so at the case mouth right on the edge
     


  3. Snapper2

    Snapper2

    2,413
    5
    Feb 22, 2008
    s.east Texas
    As for as pressures, it would matter more with a fast burning powder,right? A slow powder might need to be crimped more with a light for caliber bullet as long as doesnt effect the headspace.