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emmett22405
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32-40 Highwall splitting about 30% of brass
Oct 22nd, 2024 at 4:52pm
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Unearthed my wife's HW  and she reminded me that it lay quiet for years because it split cases. Today we shot about 30 cases and some 6 were split-- 6:00 position vertically as case stands along throat and neck of case about 1/2 to 1/2 inch.  Several smiths worked on it some time ago and the last one John King remarked some sort of problem with the chamber that he would fix gratis, but cant recall what the problem was. After about a year it started the splitting and by then Mr King was retired.   Any ideas what the problem he discovered was--or is?? thanks
  
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emmett22405
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Re: 32-40 Highwall splitting about 30% of brass
Reply #1 - Oct 22nd, 2024 at 4:53pm
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Sorry 1/4 to 1/2 inch long splits
  
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Old Soldier
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Re: 32-40 Highwall splitting about 30% of brass
Reply #2 - Oct 22nd, 2024 at 6:17pm
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Sounds like you chamber is too big to me. How do the un-split cases compare to unfired cases? Are they larger in diameter at the front?
  

"White man have very strong Medicine. Shoot today maybeso kill you tomorrow." Esa-Tai Commanche warrior
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oneatatime
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Re: 32-40 Highwall splitting about 30% of brass
Reply #3 - Oct 22nd, 2024 at 7:34pm
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I trust that the fired cases that didn't split will not be full length resized and the necks only partially sized if at all.
  
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Cbashooter
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Re: 32-40 Highwall splitting about 30% of brass
Reply #4 - Oct 22nd, 2024 at 8:03pm
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could it be a 32-40 Remington chamber?
  
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beltfed
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Re: 32-40 Highwall splitting about 30% of brass
Reply #5 - Oct 23rd, 2024 at 9:19am
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Definitely needs to do a chamber cast
and measure carefully to verify its chambering
beltfed/arnie
  
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emmett22405
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Re: 32-40 Highwall splitting about 30% of brass
Reply #6 - Oct 23rd, 2024 at 8:26pm
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split vs unsplit seem identical; Max accuracy requires full length resize; no it is the Winchester 32-40 chambering

Today splits dropped to 1/2 yesterdays %. There was some sort of issue regarding the chambering error and i simply cant recall what it was. Perhaps John Taylor can weigh in I wiil seek private email thanks
  
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Re: 32-40 Highwall splitting about 30% of brass
Reply #7 - Oct 23rd, 2024 at 9:05pm
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emmett22405 wrote on Oct 23rd, 2024 at 8:26pm:
split vs unsplit seem identical; Max accuracy requires full length resize; no it is the Winchester 32-40 chambering

Today splits dropped to 1/2 yesterdays %. There was some sort of issue regarding the chambering error and i simply cant recall what it was. Perhaps John Taylor can weigh in I wiil seek private email thanks


You mentioned John King in your opening post. If your chamber was done by John Taylor you might get information from bpjack about his 32-40 JT chamber. As I remember it was not standard. Jack may still have the barrel.
  

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ndnchf
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Re: 32-40 Highwall splitting about 30% of brass
Reply #8 - Oct 24th, 2024 at 7:17am
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Maybe the brass simply needs to be annealed.
  
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emmett22405
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Re: 32-40 Highwall splitting about 30% of brass
Reply #9 - Oct 24th, 2024 at 3:54pm
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It is a modern Al Story 32/40 barrel. So I know the chambering is 32-40.  it was profiled and installed and chambered  --believe by Al Story and a new HW breech block made by his bud who I think was named Lewis  as he wrote at least one article about Al's barrels; it was sent to another smith who did nothing for over a year  and finally for finish work and fixing the single set trigger to John King who discovered an error in the chambering that so upset him he called me and fixed it gratis. John Taylor has yet to see this puppy.  It is about "splicing"? part of the chamber
  
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