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357 MAGNUM CONTENDER DATA Login/Join 



posted
Does any one have any experience with 357 Magnum.
Trying not to buy a bunch of powder.
What is the best powder for accuracy in a 14 inch bull barrell?
I am using 2400 with mixed results, would H 110 or AA No7 be better?
I stay away from IMR 4227, it never burns completely for me.
Using a Hornady 158 XTP bullet

Thx
DAN
 
Posts: 677 | Location: San Jose CA | Registered: November 12, 2005Reply With QuoteReport This Post



121720



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Dan I personally use H110/Win296 powder, they are they same powder. Mine is in a 6" revolver. In a 14" Contender you will most likely get 1600+ FPS with 158's. You do need to crimp the bullets to get a good consistent burn and not leave unburnt powder in the barrel.


Albert
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Life Member NRA
 
Posts: 10313 | Location: Kenova, WV, USA | Registered: October 31, 2003Reply With QuoteReport This Post

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WW 296 is the way to go. I have 2 Pythons that have taken 5 heavy 8 points from 50-80 yds. and 10+ does. I noticed that XTPs did not expand much and performed less than 158 gr. Sierra JHCs which created more internal damage. None of the bucks ran more than 5 yds. Most dropped, including the 80 yarder.
 
Posts: 1607 | Location: eastern WV | Registered: April 21, 2010Reply With QuoteReport This Post



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Al
Do you use a roll crimp or taper?
Do you seat and crimp separately?
I believe crimp is my accuracy problem

DAN
 
Posts: 677 | Location: San Jose CA | Registered: November 12, 2005Reply With QuoteReport This Post



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Dan I use both but on straight walled cases I normally use a roll crimp and I also do the crimp in a separate operation.


Albert
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Life Member NRA
 
Posts: 10313 | Location: Kenova, WV, USA | Registered: October 31, 2003Reply With QuoteReport This Post



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Lilgun and a 180 is what I like.


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Posts: 2826 | Location: Kansas U.S of A | Registered: November 01, 2003Reply With QuoteReport This Post






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Depending on the barrel, you can run some really hot loads thru a contender 357 mag barrel. Years ago, I ran apile of W296 and noslers 158jhp. It was really hot and case life was short. W296 and H110 and my favorites in this round.


mike
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Posts: 19249 | Location: western PA, USA! | Registered: October 30, 2003Reply With QuoteReport This Post



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Went to test today
The H110 did not really group and printed low left - tried 15gr

I tried 2400 again and backed off load to 12.5 gr
Pistol did not jump off the rest, lighter recoil
Shot pretty good
15 round group at 50 yards


DAN
 
Posts: 677 | Location: San Jose CA | Registered: November 12, 2005Reply With QuoteReport This Post


030421



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I prefer Accurate #9 for bullets 158 gr and heavier in the .357 Mag.
 
Posts: 3316 | Location: Peoples Republic of Kalifornia | Registered: March 13, 2006Reply With QuoteReport This Post



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13.5 grs H110 which is a max load according to Hodgdon data with the Hornady 180 XTP is super accurate and very deadly on deer out of my 10" Contender 357 mag.
 
Posts: 1118 | Location: Tennessee | Registered: December 06, 2009Reply With QuoteReport This Post



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I know you mentioned you didn't want to use IMR 4227 but I have a 13" .357 Mag Match Grade Machine Heavy Factory Contour for the Encore that is scary accurate with the 158 XTP's and that powder. I don't know if it's the barrel, or the powder or both. But I like it. Yes it leaves unburnt kernels but I can live with it when it seems so hard to miss what I'm shooting at. You might give it a try if you already have the powder.
 
Posts: 434 | Location: Northern Indiana | Registered: March 11, 2005Reply With QuoteReport This Post



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I like Alliant 300MP for 180's in my Contender. Great speed and accuracy plus it knocks deer stone cold dead.


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Posts: 293 | Location: Michigan | Registered: September 19, 2006Reply With QuoteReport This Post



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Max charge , from Lyman #46 manual, of 296 and mag primers. The 158 XTPs are doing 1600+ from my 10" barrel . If you are looking for a hunting load that is one
thing target loads are usually much lighter.
 
Posts: 3540 | Location: South Texas | Registered: January 06, 2004Reply With QuoteReport This Post
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