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Reloading Techniques For Reloading


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Sooty Necks

 
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  #8  
Old 10-02-2007, 03:35 AM
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Join Date: Oct 2001
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dbhostler
Your explanation makes sense as do your suggestions. Thanks. Actually the necks clean up with Hoppe's OK.

crittergetter
I'm envious as I don't have the time to work with my new 338-300 until after elk season.

Herb
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  #9  
Old 10-02-2007, 04:54 AM
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Herb

No need for envy. Play time is in short supply here too. I would like to know what you come up with on the 338 - 300 RUM. I'm going to stick with US 869 for now. Retumbo was giving around 70 fps ES.
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  #10  
Old 10-04-2007, 09:04 AM
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Quote:
Originally Posted by dbhostler View Post
Herb,
This is usually a result of the bullet exiting the neck too soon after ignition before pressure can expand the neck sufficiently to seal it. You could try greater neck tension to hold the bullet longer, seat the bullet deeper into the case or use a hotter primer. . . .
Agreed . . . IMHO, this is right on the money. The pressure has to come up fast enough to obturate the brass.

I reduced the neck fouling of Retumbo in my 6.5-300 Wby by increasing neck tension by .001" and pushing the bullet into the rifling a little.
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  #11  
Old 10-04-2007, 09:08 AM
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Quote:
Originally Posted by crittergitter View Post
Herb

No need for envy. Play time is in short supply here too. I would like to know what you come up with on the 338 - 300 RUM. I'm going to stick with US 869 for now. Retumbo was giving around 70 fps ES.
FWIW, when I first abandoned H-870 in my 6.5-300Wby and went to Retumbo, I was using Fed 215Ms and got wild ES too. I went to regular Fed 210Ms, adjusted my load back up and ES went to single digits.

I'd like to try US 869 in it - how is fouling compared to H-870 and Retumbo? H-870 was a terrible mess for me, Retumbo isn't too bad.
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  #12  
Old 10-05-2007, 12:52 AM
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Join Date: Jan 2007
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I use retumbo, varget, 4831sc, and blc-2 and all give me carbon on the necks. I'm starting to think it's a hodgdon thing.
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  #13  
Old 10-06-2007, 02:37 AM
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Originally Posted by eshell View Post
FWIW, when I first abandoned H-870 in my 6.5-300Wby and went to Retumbo, I was using Fed 215Ms and got wild ES too. I went to regular Fed 210Ms, adjusted my load back up and ES went to single digits.

I'd like to try US 869 in it - how is fouling compared to H-870 and Retumbo? H-870 was a terrible mess for me, Retumbo isn't too bad.
Eshell,

I used H870 in my 7mm Rem mag with 168 SMK's for a while and it was a nasty mess. H380 was a nasty mess in my 6mm Rem with 85 grain XLC's. So far, US 869 is cleaner than retumbo and H870 for me. Varget and H4895 are the powders that I use in my 6mm Rem, and 416-06 JDJ. Varget is clean in the 6mm with 55 grain NBT's, but dirty in the 416-06 JDJ with any bullet. H4895 burns quite clean in the .416-06 JDJ Encore pistol with 400 grain Hawk RT's.

Hope this helps.
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