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After reading about all the problems with reloading the 357SIG...

Discussion in 'TOP GUNS *357 Sig* Club' started by jeffreybehr, May 6, 2010.

  1. jeffreybehr

    jeffreybehr Silver Member

    765
    2
    Mar 14, 2009
    Phoenix, AZ USA
    ...I wondered how difficult it would be. Turned out not bad at all.

    My Lee 3-piece dies arrived yesterday and I got started. I decided to be even-more careful than I usually am in setting the seating die. I started with the loose barrel and slide. There was minimal play of the barrel in the slide, and that remained with 3 different factory loads. I adjusted the sizing die to reduce that slightly with sized-cases-only in the chamber. The mouth-expander/charging die ended set to bell the mouth just visibly. I set the taper-crimp die to just visibly crimp the mouth, and set OAL at c. 1.135".

    I started with Berry's 125g. plated HPs, my goal being to create a high-velocity-but-inexpensive practice round that made spectacular kills on water jugs. I already had WSF and Longshot powders and bought some 800-X. Loaded 5 rounds each of 10 loads and tested them for function, etc., late yesterday (until my chrono wouldn't work in the gloom). Evaluated 10-each today and got higher velocities than I expected ven tho I'm using a 4-1/2" Lone Wolf barrel in my 32. Velocities at 10 feet got to the mid or high 1400s with Longshot and 800-X, respectively, but group sizes with WSF were significantly larger than those from the other 2 powders, so I won't be using WSF with the XTP 124s on the way. Can't yet find Accurate9 locally or I would have tried that too.

    I blew up a few 1-gallon waterjugs with the Berry 125HPs and both bullets stayed together better than I expected. Won't be using them for PD, tho. :whistling: The factory-loaded Speer Gold Dot 125 performed approximately perfectly, as I expected.

    I'll e-mail an image of my data if you request to jeffreybehr(at)cox(dot)net, but the usual warnings apply.

    This longer-barrel-snouted 32 will be a keeper, as will my pair of 37s (.45GAP) for USPSA competition in Production class.

    [​IMG]

    I intend to research muzzle flash with various powders, since my otherwise-fave in that area, Universal, isn't very suitable for the loads I want.
     
    Last edited: May 7, 2010
  2. MinervaDoe

    MinervaDoe

    9,221
    1,469
    Jan 26, 2009
    San Jose, CA
    That's too fast for a plated bullet. Ranier says to limit plated bullets to 1,200 fps. so does Berry's

     

    Last edited: May 7, 2010

  3. jeffreybehr

    jeffreybehr Silver Member

    765
    2
    Mar 14, 2009
    Phoenix, AZ USA
    You, Berry's, and Rainier may well be generally correct, but the bullets are accurate in the 1300s and 1400s, and the one I recovered after going thru 3 1-gallon waterjugs and cracking the far wall of the 4th stayed together even while losing significant mass.

    I have a bunch more XTPs coming, so maybe the Berry's bullets will be merely standard-velocity practice loads.