190 grain cast 357 load data

the fatman

Single-Sixer
Joined
Mar 23, 2009
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325
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Deltona Florida
Hunter supply has a cast 190 grain 357 diameter bullet. Does any body have a tested load for this bullet with Winchester 296 powder? Thanks. My sources don't list for 190 or 200 grains.
 
'm not going to recommend you use my data but I shot a 200 gr lead in 357 Mag Dan Wesson Revolver using 12 gr of the 296 you speak of. It shot quite well too. The bullet I used is the RCBS 35-200 FN for which I have the mold. Chief aka Maxx Load
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I wish I could help you, but don't have the data for that.
 
I recently worked up a load using Cast Performance 200gr hard cast gas check bullet. I was going to use Win296 or H110, both identical powders by what I've read, but ended up using 2400 as a couple of fairly knowledgable reloaders with more experience than myself advised it would give top velocity.

Anyway, I started out at about 12 grains and increased charges .5gr up to 14 grains where I just started experiencing sticky case extraction. Stopped there as it was the most accurate load of them all. The chronograph said it was slightly over 1200fps. I have heard of older (read hotter data) going as high as 15.5 gr of 2400 used in Blackhawks, but I stopped not wanting to push fate. The revolver these were shot out of is a GP100, 4" barrel. I probably would only try these hot loads in something not as strong as the GP100. I did roll about as heavy a crimp as I could get on these as they are max length for a 357 cylinder.
 
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Here is what I found at http://www.handloads.com/loaddata/default.asp
Purdy much what Chief 101 said.

From Winchester
200gr Lead 12.4 gr Win 296 1,335 fps
Suggested starting load: 11.2 gr

Pressure: 35,000 CUP

...Jimbo
 
I don't remember the velocity of my load cause I was working in someone elses lab and did not keep a set of records for myself. BTW the Dan Wesson I used had a custom 10" barrel and accuracy was very impressive.
Chief aka Maxx Load

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