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Have settled on a PD load with the 124g. XTP

Discussion in 'TOP GUNS *357 Sig* Club' started by jeffreybehr, May 10, 2010.

  1. jeffreybehr

    jeffreybehr Silver Member

    765
    3
    Mar 14, 2009
    Phoenix, AZ USA
    After several days and hundreds of bullets of testing*, I've settled on a Speer nickel-plated case, Fed. 100 primer, 800-X powder, and that Hornady 124. My Glock 32 uses Lone Wolf's 4.5" barrel.

    [​IMG]

    The maximum powder charge that either of my sources, Hodgdon and Lyman, both using pressure barrels and publishing pressures, is 10.0 and 9.5 grains. My choice is 8.5 grains, and the resulting 10-foot velocity averages 1380FPS, more than either lab got at the muzzle from their 4" barrels. Doesn't make much sense to me, but I've tested 3 batches and the results are consistent.

    Anyone's welcome to copies of my reloading log; e-mail me at jeffreybehr(at)cox(dot)net.


    * oh poor me! I had to go the the shooting range to shoot these. Boo hoo! :crying:
     
    Last edited: May 10, 2010
  2. RB98SS

    RB98SS

    42
    0
    Jun 17, 2009
    Shoreview, MN
    Some interesting notes on 800-X. I just chronographed a load using 9.5 grs with a Remington 124/125 HP. It registered a 1400fps velocity out of my G33 with the stock barrel. I also ran some factory Buffalo Bore 124 gr loads and they averaged about 50fps slower than the 800-X loads.

    The 800 loads seemed very stout to me and still IMR says max load is .5grs more. 10 grs max at only 36,100psi. :wow:

    I'm not sure I even want to try 10 with the speed of the 9.5's
     


  3. jeffreybehr

    jeffreybehr Silver Member

    765
    3
    Mar 14, 2009
    Phoenix, AZ USA
    I'll bet the 9.5-grain load seems 'very stout'. :embarassed:

    I tried loads at 9.0, 9.2, 9.4, and 9.6 grains; they developed 10' average velocities of 1454, 1469, 1497, and 1514FPS. These were small batches, so the velocities are approximate.

    I'll find some Accurate#9 and develop a load of 1375 - 1400FPS. Then I want to do some muzzleflash testing.