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Hot Topic (More than 10 Replies) Highwall cartridge drag marks (Read 10212 times)
MikeT
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Re: Highwall cartridge drag marks
Reply #15 - Jul 8th, 2015 at 7:33pm
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I met a fellow at the Q with an original 40-70SS Sharps and we discussed the cases that fit it.  He was shooting the 405 brass and said that the original chamber has been untouched.  So it would seem that the original, the Shiloh and the 405 Hornady are one in the same brass.

Keep on hav'n fun!
MikeT
  
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Amoretti
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Re: Highwall cartridge drag marks
Reply #16 - Aug 1st, 2015 at 11:18am
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Thanks to all that responded to my original post.  Turns out a number of you were correct there was a significant burr on the block just below the firing pin.  My guess is it had been dry fired so much it pounded out the burr??  Anyway a few strokes with a fine file followed by a stone cured that problem.

Now I am having trouble getting the new brass to enter the chamber completely.  It seems to a few thou tight the last 1/16" of the neck.  Wonder how to fix??

I will post the question in the reloading section.

Thanks again.

John in Wyoming
  
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gunlaker
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Re: Highwall cartridge drag marks
Reply #17 - Aug 1st, 2015 at 2:15pm
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John it's good to hear that you got that problem solved.   

With respect to brass being too tight at the neck to chamber, maybe what I do for fireforming brass in my PP rifles will be of use to you.  I full length size the brass and then I run it through a taper crimp die until the mouth/neck is reduced in diameter enough that it'll chamber.  I follow with the largest sized expander die that will allow the brass to still chamber.

Then I shoot it with a case full of BP and an undersized bullet.  After that the cases are good forever.  Or until I ruin them Smiley

Chris.
  
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Amoretti
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Re: Highwall cartridge drag marks
Reply #18 - Aug 1st, 2015 at 7:37pm
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Chris,

Thanks for the info.  Now the only crimp die I have is the one that came with the RCBS legacy die set.  It makes a curved or roll crimp.

Where does one get a taper crimp die from at best price?.

Thanks, John
  
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gunlaker
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Re: Highwall cartridge drag marks
Reply #19 - Aug 2nd, 2015 at 10:42am
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John I bought my taper crimp dies from Buffalo Arms.   

Chris.
  
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Amoretti
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Re: Highwall cartridge drag marks
Reply #20 - Aug 2nd, 2015 at 3:13pm
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Chris,

OK-Just ordered their .40 taper crimp die.

Thanks, John
  
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