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Reloading .40 Rainier 165gr Hollow-Points

Discussion in 'Handloading and Reloading' started by leifglock, Sep 13, 2010.

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  1. leifglock

    leifglock Member

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    I came across the below load data on Handloads.com for 165gr JHP .40. I'm trying to find a decent recipe for some Win231 and some 165 Rainier HP .40's I have. This load doesn't reference the brand of 165gr JHP used therefore I don't know if it matches the length of my Rainier s. Are all "165gr .40 JHP's" a pretty standard length?

    I'm still relatively new to reloading and so far I've been loading .40 Rainier 155gr TMJ's at OAL of 1.125" with 5.1-5.5gr of Win231 with good success. Of course the 165gr Rainier HP's are much longer. Therefore seating at an OAL of 1.125-1.130" there will be quite a bit less space inside the powder cavity. Is that why, in this case, the powder charge is a bit lighter?

    Bottom line question: will this load work for my Rainier's? OAL? Powder Charge of W231? Should I reduce powder charge by 10% since Rainiers are coated and not jacketed? These are for plinking and target shooting.

    Load Data from handloads.com:
    JHP 4.8 gr Winchester 231 Unknown ; 1.130" Win SP guest
    Shot last two IPSC matches with Para P16. Nice load. Snappy and not too much recoil. Don’t know if it makes major.

    Thank you in advance,
    Leif
     
  2. rcmodel

    rcmodel Member in memoriam

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    NO.
    It all depends on the shape of the ogive, the depth & width of the HP cavity, and even a few other things like jacket thickness and internal skiving.

    The bullet you ask about has a Truncated Cone shape, so you will need to take the barrel out of your gun and use it as a cartridge guage to insure the TC bullet shoulder isn't hitting the rifling before it can fully chamber. Seat at whatever depth you have too & still keep the bullet from running into the rifling.

    Hodgdon shows a MAX charge of W-231 with a 165 grain Sierra JHP as 5.3 grains.
    The starting load is 4.8.
    OAL is 1.125".

    rc
     
  3. KBintheSLC

    KBintheSLC Member

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    You bring up a good question. I just ordered 1000 of the 165g Rainier HP's to start loading in 40 & 10mm cases. I will have to check back for responses from the experts that chime in.
     
    Last edited: Sep 16, 2010
  4. leifglock

    leifglock Member

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    Thanks for the reply. I think the Hogdon data is the best I can do. I might even just buy a 100 count pack of the Sierra JHP's so I can compare them to the bulk Rainier's I have.

    Thanks,
    Leif
     
  5. armyofmunn

    armyofmunn Member

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    I've had good luck with w-231 4.8 gr at oal 1.125 rainier 165gr solid round and accurate to was wondering has anyone tried using unique got 4lbs given to me and running low on w-231?
     
  6. rcmodel

    rcmodel Member in memoriam

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    IMO: Unique is a better powder choice for .40 S&W then W-231.
    Especially if you want full power loads.

    I feel W-231 is too fast for the high-pressure .40 S&W, and you would be better served with less chance of unpleasentness with Unique.

    rc
     
  7. Walkalong

    Walkalong Moderator

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    Agreed.

    Overall, medium speed powders like WSF, Unique, AA #5, etc are better for .40 than the faster powders. I do use some fast powder .40 loads, but they are light loads. My "full power" (not pushed to the limits) .40 stuff uses Universal, which is very similar to Unique, albeit a bit faster.
     
  8. armyofmunn

    armyofmunn Member

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    rcmodel,walkalong
    going with unique and a 165gr rainier don't have a lead compable load but for 155 it is 6.2 and 180 is 5.8 I'm guessin start at 6.0 and work it from there.
     
  9. Walkalong

    Walkalong Moderator

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    I believe 6.0 will be fine, and a bit more possible. Alliant goes to 7.2 with a 165 Gr Gold Dot, as does Speer # 13. (1064 & 1064 FPS respectively. Coincidence?) My Universal load with a Zero 165 Gr JHP is over the Hodgdon online max, but under the Speer #13 max. Try 6.0 Unique, then work up slowly if needed/wanted. AC
     
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