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Load data for Lee .40SW 175 gr

This is a discussion on Load data for Lee .40SW 175 gr within the Reloading forums, part of the Firearm Forum category; I'm looking to start loading some cast bullets. My trouble is that data for 175 grain bullets for .40SW is pretty thin. Is there a ...


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Old December 26th, 2010, 01:38 PM   #1
 
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Load data for Lee .40SW 175 gr

I'm looking to start loading some cast bullets. My trouble is that data for 175 grain bullets for .40SW is pretty thin. Is there a reason for this lack of data? Neither the Alliant or the Hogdon websites show 175 data. I'm looking to use HP38 or Bullseye. It is my understanding that at this point most load data out there has been done. If it isn't there then there is a reason why. The bullet I want to use is the Lee 175 SWC from mold 90433.



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Old December 26th, 2010, 02:13 PM   #2
 
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Sorry, I can't answer why.
I would start with loads for 180 gr. lead.

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Old December 26th, 2010, 06:31 PM   #3
 
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Here you go friend, try this.

The 40 S&W

And you can use the 180gr. cast bullet loads for the 175's.

Last edited by Emmett; December 26th, 2010 at 06:39 PM.
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Old December 26th, 2010, 08:12 PM   #4
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Maximumbob54, Lead bullets are not very popular in 40 S&Ws for a couple reasons and 175 gr bullets are an "odd ball". Glocks are a popular gun in 40 S&W and because of their non-traditional rifling, lead bullets are not recommended. The "Glock thing" has incorrectly found its way into other brands of 40s, which is not legitimate.

There's no reason why you can't shoot lead bullets in pistols with conventional rifling. Because lead bullets seal better in the bore, chamber pressure runs a bit higher than jacketed bullets with the same bullet weight and powder charge. A slightly lighter bullet such as your 175 gr will run about the same chamber pressure as a 180 gr jacketed bullet. You can safely use the loading data for 180 gr jacketed bullets but I would keep the charge a few tenths under the maximum listed charge just to be safe. A BHN 22 bullet will shoot best with minimal bore fouling.
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Old December 27th, 2010, 07:38 AM   #5
 
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Drover,

You aren't the first to tell me that. I was thinking of making mild loads anyways so that shouldn't be a problem.

Emmett,

That was a good article to read with some good data attached to it. Thanks for finding that.

Iowegan,

I had to "un-Glock" the brass once and I don't want to do that again so, my Glock 17 may never get a bigger brother. Right now I'm trying to decide between the M&P and the SR40. I love Ruger but the new models seem to come with recall notices. I haven't heard about it from the SR40 yet so I hope the bugs were worked out with the SR9 and the transition to .40 didn't change enough to create problems. I spoke with a guy in an IDPA club and he gushed about how highly he thinks of his M&P. It may just come down to the price at the LGS when I am ready to buy. Either way, thank you for the professional seconding of Drover's recommendation.
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Old December 27th, 2010, 10:24 AM   #6
 
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I've heard good things about the M&P Pro line. About $800. Better trigger than the non pro.
Almost a Custom Shop gun.
I don't know for sure, just what I heard.

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Old December 27th, 2010, 10:56 AM   #7
 
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Drover,

The five inch barrel Pro model is the one that makes me want the M&P over the Ruger. I thing the Ruger feels better in the hand though.
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Old December 27th, 2010, 11:39 AM   #8
 
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Use the Lyman load data. They list two different 175gr lead bullets. My buddy just cast up 200 of the 401638 Lyman's for me. I load 5.2gr to 5.4gr of Unique for them. They are very accurate at 5.2gr. I also have some Hunters brand 175gr SWC lead bullets that I load the same. For the Hunters, I use the load data for the 401043 bullet. Both work great for me. No chrono readings yet, just easy firing and reliable cycling in my 40 Sigma.
I did just load some of the Hunters SWC up with Bullseye and HP-38. Haven't fired them yet though, so I can't tell about how they work.

P.S.
I load all of my 40 S&W to 1.120"-1.125"
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Old December 27th, 2010, 03:20 PM   #9
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Quote:
Maximumbob54, Lead bullets are not very popular in 40 S&Ws for a couple reasons and 175 gr bullets are an "odd ball". Glocks are a popular gun in 40 S&W and because of their non-traditional rifling, lead bullets are not recommended. The "Glock thing" has incorrectly found its way into other brands of 40s, which is not legitimate.
I have several thousand rounds of lead through my Glock G35 so far without issue. There polygonal rifling has been around long before jacketed bullets have been. The issue isn't some much with the rifling but with the sharp edges leading up to in in the chamber. Rather then having the chamber drilled into the rifling with a tapered leading edge it has a sharp edge where the rifling starts. This can cause lead to be shaved and built up infront of the rifling causing the bullet to be setback or possibly fire out of battery. I will readly admidt that it took alot of trial and error to find the right load that doesn't cause leading. As for the Glock smile, only the first generation .40's were unsupported. Mines a 3rd generation and it doesn't do this either and I have reloaded some of my brass over a dozen times.
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Old December 27th, 2010, 03:38 PM   #10
 
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TMD,

I have been told the same thing and then you hear the complete opposite. Then I am told the new 4th gen Glocks are fully supported and then I read an article saying that they are the most supported but still not fully supported. I will always think they are amazing pistols. but for me they feel like a 2x4 in my hand. I have had a love hate thing with my 17 for years now. The grip angle I can deal with, the the rounded rectangle grip I cannot. I stopped counting at how many rounds have been through her but they all felt funny in my hand the whole time. It may sound funny to you but I sold a Sigma to get the 17 and I wish I had my Sigma back.

But all that said, the Glock, not the Colt, Smith, Ruger, Sig, or anything else resides under my pillow at night.
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Old December 27th, 2010, 03:59 PM   #11
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But all that said, the Glock, not the Colt, Smith, Ruger, Sig, or anything else resides under my pillow at night.

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Old December 28th, 2010, 03:08 AM   #12
 
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I only feel ashamed to admit that because (IMHO) they have got to be the most ugly, no aesthetics having, and yet most reliable bottom feeders out there. If it came down to a survival situation and you could have a GP100 or a Glock 10mmÖ Iím not sure which one I would choose. This is just me talking here but I think that says a lot.

I donít know why I always feel the need to further explain myself or my point of view. I guess I just have a big mouth and I like to share. But I also like to hear what everyone else thinks as well. The ears are just as open as the mouth.
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