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Speer GDHP 180 gr 0.40/10mm bullet length

Discussion in 'Ammunition & Reloading' started by pinne65, Jan 20, 2014.

  1. pinne65

    pinne65 Hillsboro, OR Active Member

    Likes Received:
    I'm using Speer's reloading manual to work up 10mm loads for 180gr JHP bullets using Blue Dot, Starline brass and CCI 300. But I'm using Montana Gold bullets rather than Speer. I want to be sure the MGs leave the same or more room in the case, they are .618" long. Anyone know how long the Speers, #4406, are? The Speer site doesn't list it. I found this thread at Glock Talk: http://www.glocktalk.com/forums/showthread.php?p=18697430. Which lists them as .630. Can anyone confirm this.