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Old August 22, 2000, 09:18 PM   #1
rkmstr
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Anyone have any reloading data using W231 in 357sig???

Gary
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Old August 23, 2000, 10:39 AM   #2
Fred
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I use 231 for most all my target loads in other calibers, but not for .357 Sig. I personally feel it's way too fast for the Sig round, so I typically use AA#7 for it. Others may have the info you need.

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Old August 23, 2000, 10:48 AM   #3
rkmstr
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Thanks Fred

I've used #7 and #9 with good results but they are a little dirty in my Glocks. I've been getting powder dents in the brass. The last loads I brewed up are with Power Pistol. I like it so far, but I have to keep it around 7gr or I get keyholes for some reason.

Just looking for something new...

Gary
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Old August 23, 2000, 03:49 PM   #4
Fred
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rkmstr,

Understood about trying something new. You said in your reply: "I've been getting powder dents in the brass." Could you explain that to me? I'm not sure I know what you mean. My experience with dents is usually mechanical, like ejector probs, case hitting ejection port, etc. Not familiar with the powder dent term. thanks.

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Old August 23, 2000, 05:22 PM   #5
rkmstr
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Fred

Unburned or partially burned powder blows into the chamber after the round is fired. When the next round goes into the chamber some of this residue is trapped between the case and the chamber. When that round is fired the pressure causes small "dents" or pits in the outer walls of the case.

Gary
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Old August 24, 2000, 10:44 AM   #6
Fred
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Gotcha. Never even considered that. Thanks for the explanation.

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Old August 24, 2000, 12:59 PM   #7
Mikul
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This is just theory. Don't get yerself killed on my theories, but...

The Winchester manual only gives ONE load (a MAX load) for 357 SIG:
125gr-FMC-FN w/7.1gr of WSF producing 33,800psi.

Extrapolating from 10mm data which uses
7.1gr of WSF to get 35,600psi
AND
5.8gr of 231 to get 35,600psi

I would say that 5.8gr of 231 would be the MAX load in your 357SIG. I'd start at 5.0 (no higher than 5.2) and work my way up.

Will this work? Almost certainly. Has it been tested and verified? Nope.
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