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Boogan1
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Discolored cases
May 14th, 2022 at 5:04am
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So I am very new to black powder cartridge shooting and have a question.  My friend and I both just bought used pedersoli 1874 sharps rifles in 40-65.  I am loading for both of us and we are shooting the exact same bullets and powder charge.  We are using 58 grains of 1.5 swiss.  Our rifles have different length chambers so cartridge OAL is .05 different.  The fired cases out of his rifle appear bright and shiny.  The cases out of my rifle appear burnt or discolored on one side.  Is there a problem with my rifle?  In the picture the three cases on the right are from my rifle, three on the left are his.
  
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TomKlinger
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Re: Discolored cases
Reply #1 - May 14th, 2022 at 6:46am
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Boogan1,
Anneal the cases, that will solve your problem. If they are Starline cases they always need annealed. The cases on the left may be from a tighter chamber and didn’t have to expand as much to seal the gasses…
Tom
  
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Deadeye Bly
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Re: Discolored cases
Reply #2 - May 14th, 2022 at 8:04am
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I agree with Tom. Anneal your cases and they will seal much better.
  
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hepburnman
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Re: Discolored cases
Reply #3 - May 14th, 2022 at 11:30am
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also maybe try to see if the shinny brass will chamber in the other. rifle. this will tell you if the shinney brass  chamber is larger
  
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hepburnman
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Re: Discolored cases
Reply #4 - May 14th, 2022 at 11:36am
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hepburnman wrote on May 14th, 2022 at 11:30am:
also maybe try to see if the shinny brass will chamber in the other. rifle. this will tell you if the shinney brass  chamber is larger


sorry its the other way around- try the discolored brass in the ofher rifle to see if that chamber is smaller and tighter!  Roll Eyes
  
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Boogan1
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Re: Discolored cases
Reply #5 - May 15th, 2022 at 8:05am
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I think you guys have hit on my problem. We are going to have to keep brass separate.  The discolored brass will not chamber in the other rifle.  I am glad it wasn't anything serious.
  
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hepburnman
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Re: Discolored cases
Reply #6 - May 15th, 2022 at 10:08am
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yes, and dont full lengtn resize too. just neck size if you need neck tension.
good luck!
  
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40_Rod
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Re: Discolored cases
Reply #7 - May 17th, 2022 at 10:29am
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They look pretty grainy now like their over annealed al ready.

40 rod
  
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Premod70
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Re: Discolored cases
Reply #8 - May 17th, 2022 at 1:16pm
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The cases on the right favor being shot in a 45-70 chamber. Wouldn’t be the first time a barrel is mislabeled. Hope it’s just the warped image my iphone displays.
  
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