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Winchester WST in 9mm

Discussion in 'Handloading and Reloading' started by mamigor, Mar 19, 2011.

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  1. mamigor

    mamigor Member

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    WST is the only powder available in my country, I used WST for my .45 ACP with 200 grains SWC and 230 LRN, but I want to try this powder in my Sig Sauer P228
     
  2. 918v

    918v Member

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    So try it. Use 231 data. Work-up from min to max.
     
  3. noylj

    noylj Member

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    9x19
    Bullet Weight Powder Weight Velocity Start/Max Power Factor COL

    Hor HP-XTP, FMJ-RN 115 WST 5.2 1050 Start 121 1.0500
    Hor HP-XTP, FMJ-RN 115 WST 5.4 1100 127
    Hor HP-XTP, FMJ-RN 115 WST 5.6 1150 Max 132 1.0500

    Hdy FMJ-FP, FM-RN, L-RN 124 WST 4.8 1025 Start 127 1.050-1.150
    Hdy FMJ-FP, FM-RN, L-RN 124 WST 5.0 1050 130 1.050-1.150
    Hdy FMJ-FP, FM-RN, L-RN 124 WST 5.2 1075 133 1.050-1.150
    Hdy FMJ-FP, FM-RN, L-RN 124 WST 5.4 1100 Max 136 1.050-1.150
     
  4. Walkalong

    Walkalong Moderator

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    Should work just fine for light to medium plus loads. If WST is all that is available, at least it is a good one.

    Welcome to THR
     
  5. bds

    bds Member

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    Welcome to THR! Dang, that's rough.

    Sorry, required THR disclaimer: As there is no current published load data for WST load for 9mm, the usual warning/disclaimer applies - load at your own risk.

    OK, now I hope these threads help - http://www.thehighroad.org/showthread.php?t=549498&highlight=WST+9mm
    Here's more - http://www.brianenos.com/forums/index.php?showtopic=111615
     
  6. mamigor

    mamigor Member

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    Thank you

    Thanks for the very useful recomendations, I really appreciate them!
     
  7. TonyT

    TonyT Member

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    I have never seen any factory published data for WST in 9mm. I believe WST is slightly fster burning than W-231 more on the order of Bullseye.
     
  8. rfwobbly

    rfwobbly Member

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    Back when Winchester published their own data it was in there.
     
  9. Steve C

    Steve C Member

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    I have many of the Winchester data publications both as paper publication and PDF from 1976 to 2002. No 9mm or .38 super data is listed for WST in any of these, of course it didn't exist in '75. Data is conspicuously missing for the 9mm and .38 super. There is 9mm and .38 super data for WSF but not WST. WST data is listed for the .40 S&W, 10mm, .38 spl, and .45 ACP all larger volume cases than the 9mm and .38 super.

    If I was to hazard a guess it would be that WST isn't an appropriate powder with small volume high pressure cases. Likely you could get extreme pressure spikes esp with reduced volume or compressed loads that the other powders don't produce. I'd be very careful if trying to use WST in the 9mm, after all if it was a safe combination the manufacturer and other hand load data sources would have provided loading data as it would be in their interest to do so.
     
  10. mamigor

    mamigor Member

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    Thanks for the information. I've read about some pro-shooters that have used WST on their 9mm loads, but still I'm aware of the small volume of the 9mm's case which can cause dangerous pressure spikes, all though for 9mm faster burning powders are often use and the pressure curves are different.
    I'll keep on my research, I appreciate your recommendations.
     
  11. 918v

    918v Member

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  12. mamigor

    mamigor Member

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    Thank you very much for the research. I'll begin my tests as soon as I receive 124-125 gr bullets.
     
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