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Author Topic: Help with 357 magnum load  (Read 1464 times)

Offline Pro Street

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Help with 357 magnum load
« on: May 04, 2013, 08:21:37 am »
I am new to reloading and need some help. I can not find SP Magnum primers so I have tried SP primers. Here is what I tried and it goes bang but not near like the factory load. Here is what I used as my load. 158 grain Badman LSWC,6.0 grain Universal,Sellier & Bellot SP primer,set at OAL 1.590"
Here is what I have to work with.
Primers=S&B SP primers,CCI SP primers
Powders=Titegroup,No.2,700X,Unique,Universal,HS-6
Mixed range brass

Also have 1000 CCI small rifle magnum primers I would like to trade for 1000 CCI small pistol magnum primers

Thanks for any help!!!
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Offline Texas Titan

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Re: Help with 357 magnum load
« Reply #1 on: May 04, 2013, 08:52:10 am »
The last time I was in Erwin Ppawn he had several boxes of large magnum primers. Along the wall $40 for 1000 Federal brand.

I would call and see if they still have any.
« Last Edit: May 04, 2013, 08:53:41 am by Texas Titan »

Offline pretzel

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Re: Help with 357 magnum load
« Reply #2 on: May 04, 2013, 08:58:56 am »
The last time I was in Erwin Ppawn he had several boxes of large magnum primers. Along the wall $40 for 1000 Federal brand.

I would call and see if they still have any.
he needs the small mag primer
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Offline TMILLER

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Re: Help with 357 magnum load
« Reply #3 on: May 04, 2013, 09:16:57 am »
I hardly ever use the magnum primers on 357 and never have any problems.
To me, it sounds like you probably aren't using anywhere near max powder charge. 

Offline pretzel

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Re: Help with 357 magnum load
« Reply #4 on: May 04, 2013, 09:32:20 am »
my book shows you can go to 7.5 on the unique powder. try that
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Offline crashdummy

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Re: Help with 357 magnum load
« Reply #5 on: May 04, 2013, 10:34:24 am »
You should not need a magnum primer with Unique powder

Offline TMILLER

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Re: Help with 357 magnum load
« Reply #6 on: May 04, 2013, 07:29:08 pm »
You should not need a magnum primer with Unique powder
I'll bet crashdummy knows what he's talking about.
Unique is all I ever use and the only time I used magnum primers was when I couldn't get any else.

Offline Pro Street

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Re: Help with 357 magnum load
« Reply #7 on: May 05, 2013, 07:20:58 am »
Thanks for the info guys! I found some magnum primers yesterday and some 2400 powder. Had to drive 75 miles one way but I have them now! 8)
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Offline justdave

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Re: Help with 357 magnum load
« Reply #8 on: May 05, 2013, 07:37:44 am »
Magnum primers aren't necessarily for magnum cartridges ,they just work better to touch off some powders that are harder to get burning .
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Offline 10-96

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Re: Help with 357 magnum load
« Reply #9 on: May 07, 2013, 11:10:35 pm »
+1 what Dave said.  Also, the faster you drive those lead boolits- the more lead you'll be cleaning out of your bbl.
One of these days I'll say something totally brilliant- and it'll look so friggin cool when I add it here!

Offline Spider

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Re: Help with 357 magnum load
« Reply #10 on: May 09, 2013, 09:36:58 pm »
My Ruger Security Six's favorite .357 load is 17 grains 2400, CCI standard small pistol primer, and Hornady 125 grain XTP bullet.  I get about 1400 fps and amazingly tiny groups.
When preparation meets opportunity, meat hits the ground.