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Winchester 231 Recipe for 40 S&W

Discussion in 'Reloading' started by skeeter7, Apr 7, 2011.

  1. skeeter7

    skeeter7 Brass Vulture

    10,266
    142
    Nov 13, 2010
    Rhode Island
    Hello everyone,

    I will be setting up my new reloader tomorrow and although I do have a reloading book, I was looking to see what amount of Win 231 powder people are running with their 180 grain FMJ 40 S&W reloads. I know it's a long shot, but I figured I'd give it a try on here. Thanks!
     
  2. sellersm

    sellersm disciplinare

    453
    1
    May 28, 2009
    CO

  3. skeeter7

    skeeter7 Brass Vulture

    10,266
    142
    Nov 13, 2010
    Rhode Island
    That's what I have in my book as well... 4.1-5.0 . Just didn't know if someone found that sweet spot yet in between.
     
  4. shotgunred

    shotgunred local trouble maker

    8,728
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    Mar 1, 2008
    Washington (the state)
    3.9 WW231

    3.7 and 3.9 grain WW231 180 grain Rainier FMJ OAL 1.125 are very nice.
    3.7 715 FPS for 128 PF. Groups nice and are very accurate.
     
  5. sellersm

    sellersm disciplinare

    453
    1
    May 28, 2009
    CO
    The "sweet spot" for you may be different for me....

    I really am happy with 4.2gr of W231 as it's fairly light, cycles my G23c fine, and is as accurate as I need it to be. With that said, my friends run much higher loads (read: just slightly over max) in their Rugers! So it's all somewhat subjective.

    You'll have to try some loads as the mechanics of your firearm are different from mine.... What works in mine may not work in yours.
     
  6. Poppa Bear

    Poppa Bear Protective G'pa CLM

    I do not use 231 but this is still relevant. I am working up a new load for my G35 and running my rounds across the chronograph a couple of days ago here is what I found:

    Increasing the charge by .2 grains increased FPS by 50.

    Changing the OAL from 1.13 to 1.12 increased FPS by 25.

    Changing the OAL from 1.12 to 1.11 increased FPS by another 25.

    All three loads were pretty accurate, but the OAL of 1.11 was the most accurate and the one that hit clsest to POA.

    I still need to change things more because the 1.11 OAL load is still about 50 FPS below the needed velocity of 900 FPS that allows me to shoot major PF in USPSA.

    I have already worked up a new set of loads where I increased the charge by another .3 grains and have loaded 10 rounds each at 1.13, 1.12, and 1.11 OAL.

    I will run these loads across my chronograph tomorrow and see which one is the most accurate and still makes PF. My guess will be the 1.13 OAL because the change in charge combined with OAL will probably make this the round that shoots closest to POA.

    Reloading is very much a trial and error situation because the bullet weight, profile, case, primer, powder, charge, OAL and the weapon it is being fired out of all combine to make it impossible to have a one size fits all load that shoots the same for everybody. Just to many variables involved.
     
  7. shotgunred

    shotgunred local trouble maker

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    Mar 1, 2008
    Washington (the state)
    Well there ta go three different loads to try out. I shot well over 10 K of that load for IDPA and several classes. It is accurate makes power factor in a G23 and is fun to shoot. I use something different now but not a good beginners load. Go load my two and sellersm and see which one you like best.

    have fun.
     
  8. skeeter7

    skeeter7 Brass Vulture

    10,266
    142
    Nov 13, 2010
    Rhode Island
    Thanks so much for the help thus far, greatly appreciated. I will have to play around with it a little I guess. Start low and work my way up. I will try some of the suggested info.
     
  9. shotgunred

    shotgunred local trouble maker

    8,728
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    Mar 1, 2008
    Washington (the state)
    One of the problems I think a lot of reloaders have is the need to work it on up. Everyone seems to want to see how hard they can run a load. That puts a lot of unneeded wear and tear on both them and their guns. Start low find a load that cycles your gun. That is your base point. From there work it up looking at accuracy. when you find a real accurate load stop! Really look for a sweet spot and not just for how hard you can run your gun. The vast majority of KB are caused by guys loading their pet loads to hot!
     
  10. skeeter7

    skeeter7 Brass Vulture

    10,266
    142
    Nov 13, 2010
    Rhode Island
    That's the exact opposite of what I want to do. I do just want a light accurate load to keep wear and tear off my gun. I ended up using 4.4 grains. Loaded 20 rounds and went to the range. Everything felt perfect. I think we have a winner.
     
  11. noylj

    noylj

    389
    16
    Jul 20, 2010
    .40 S&W
    Bullet Weight Powder Weight Velocity Start/Max Power Factor COL
    XTP 180 231/HP38 3.7 696 125 1.1350
    Hornady XTP 180 231/HP38 3.7 706 127 1.1350
    Hornady XTP 180 231/HP38 3.7 713 128 1.1350
    JHP 180 231/HP38 4.0 790 Start 142
    JHP, XTP 180 231/HP38 4.5 Accurate 0
    JHP 180 231/HP38 5.0 950 Max 171
    JHP 180 231/HP38 5.0 940 169 1.1200
    XTP 180 231/HP38 5.0 947 170 1.1250
    JHP 180 231/HP38 5.0 950 171
    Sierra JHP 180 231/HP38 5.5 983 Max 177
    Speer PHP 180 231/HP38 5.5 1020 Max 184