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Some 10mm Load Data from Today

Discussion in 'The 10 Ring' started by Bongo Boy, Mar 19, 2013.

  1. Bongo Boy

    Bongo Boy

    Jan 11, 2012
    Colorado USA
    I posted this data over at but thought there might be some interest here as well.


    All strings were 25 rds with the exception of a few 24 rd strings. No comments on accuracy--my rear sight adjustment screw backed out and it took me a while to figure out what was going on. Plus the only screwdriver I had in the bag was too thick to fix the issue.

    Significant primer flattening on the XTP loads, very moderate flattening on the other hotter ones. All cases ejected about 25 ft with extraordinary consistency--so I got that goin' for me.

    LSWC - Lead semi-wadcutter
    JHP - Montana Gold jacketed hollow-point
    PHP - Rainier Ballistics plated hollow-point
    RNFP - Round-nose flat-point (Accurate Molds)
    SWC - Lead semi-wadcutter (same as LSWC)
    TC - Lead truncated cone (Lee molds)
    XTP - Hornady XTP
    Last edited: Mar 20, 2013
  2. Meathead9


    Aug 23, 2009
    The PRK
    Did you hand weigh the 800X charges, or did you figure out a way to get it to meter consistently? Thanks for the data, I'm always interested to see what other guys are loading.

  3. Bongo Boy

    Bongo Boy

    Jan 11, 2012
    Colorado USA
    Hand-weighed individually on the 800X. I've been thinking of trying to 'hand meter' this stuff lately, using a long, small-diameter chamber--maybe made from a clear plastic pen housing. I've got to think it can be done, if you have just the right shape to reduce error.

    With the Hornady speed trickler, which I find to be an amazing tool, I found that I could get better control of the 800X by propping up the metal base so that the trickle tube was a bit closer to horizontal--not sloped downward so steeply. This tends to dump fewer grains per turn, so you can creep up on that target value without overshooting it so much.

    What a PITA.
  4. nickE10mm

    nickE10mm F.S.F.O.S.

    Apr 13, 2004
    Wichita, KS
    I've always trickled-up my 800x stuff ... A pain, yes.
  5. _The_Shadow

    _The_Shadow Ret. Fireman

    Jul 23, 2007
    Southeast, LoUiSiAna
    BongGoBoy, thanks for posting the numbers. I have always wondered about the SR4756's performance for the 10mm. I've push a lot of Blue Dot over the years and have played hard with the 800 and LongShot more recently! Yes, I too hand weigh each and every load, but I want to see the beam scale to be sure, even though the Uniflow throws it really close.
  6. Bongo Boy

    Bongo Boy

    Jan 11, 2012
    Colorado USA
    I think SR4756 is a fantastic choice in 40 and 45, but based on this data I conclude carefully-measured 800X is the performance leader btw the two in 10mm.

    I've got a bunch of HS-6 I got mainly for 10mm, so that's likely going to be next up, and if there's ever any powder to order I can see myself get a pound of Power Pistol--but, I can't argue with how 800X fills the case and I think I can do better on charge weight uniformity for a small handful of SD loads. Once I get the rear sight all sorted out, I hope to do a 'run for record' with a few of the better looking loads.
    Last edited: Mar 20, 2013