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Power Pistol for .357 mag

Discussion in 'Handloading and Reloading' started by Bellzy, Sep 18, 2009.

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  1. Bellzy

    Bellzy Member

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    I just loaded 50 rd of .357 with 7.0 gr of Power Pistol pushing a 158 gr jacketed bullet which according to Alliant is a light load but when I was checking on the Hodgdon site they say that using that volume of Universal, which I believe has about the same burn rate, is a overload. Any opinions?
     
  2. Walkalong

    Walkalong Moderator

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    They are not the "same" burn rate, and have different characteristics. If you are using Power Pistol, use PP data and don't worry about what the charge weights for another powder are.
     
  3. Beelzy

    Beelzy Member

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    Slower burning powders work better, FWIW as the fast powders in Magnum loads really
    Flame cuts the forcing cone after a while. Almost like a sandblast effect, so don't drive them too fast.
     
  4. RVenick

    RVenick Member

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    Not to thread jack but rather then start a new thread. I got some 2400 the other day. I messed up and lleft my manuals at work. I received the Alliant reloading guide with the powder. It shows 17g with a 125 JSP. I loaded 24 at this load for my GP100. I would like to load 24 more at a different charge before heading out to he range. Is 17g a starting load? If so what is the max load? I would like to try something around midrange.
     
  5. bluetopper

    bluetopper Member

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    There are LOTS of web sites and loading data manuals out there with a plethora of information.
     
  6. Walkalong

    Walkalong Moderator

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    There is always Alliants online data to check. 2400 is well thought of by many for loading magnum calibers.
     
  7. rcmodel

    rcmodel Member in memoriam

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    Alliant Reloading guide only shows one load.
    For the 125 Speer Gold Dot bullet it is 17.5 grains.
    That is the max load.

    If you want a starting load, back off 10% to 15.7.

    rc
     
  8. RVenick

    RVenick Member

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    Went to Alliants website has same info as the reloading guide that came with the powder. Shows the one load but doesn't show if it is min or max. I know Hodgdon's has min/max on their site. I will just wait until Monday and check out my Speer #14.
     
  9. Walkalong

    Walkalong Moderator

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    If it doesn't say min or max, you can assume max. Do as rcmodel posted for a minimum load.
     
  10. RVenick

    RVenick Member

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    Thanks RC must have been typing when you posted.
     
  11. Walkalong

    Walkalong Moderator

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    Looks like we were all typing together. :)
     
  12. broham

    broham Member

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    Beelzy what you say makes good sense about not using fast powders for fast loads. I use 231 around 6.6 grains for my 158 SJHP. What might one consider a high end load for these bullets. I have PP and 231 on hand for my target loads. I stick with H110 for all my heavy loads.
     
  13. Mark whiz

    Mark whiz Member

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    Bellzy - I haven't used Power Pistol yet...................but, for the record, I can tell you that 7.0gr of Universal is NOT a max load.
    I shoot 7.0gr of Universal with 158gr LSWCs with marvelous results and there is no sign of over pressure or excessive leading in the barrel. And 7.2gr with plated SWCs in 158gr work great too.
     
  14. 45ACPUSER

    45ACPUSER Member

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    Never interpolate data!
    Use data for the exact powder you are using!
     
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