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4570mike
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High Wall Conversion
Sep 14th, 2024 at 12:45pm
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I have a High Wall built by the Cody Ballard people.  It has the usual “full cock on closing” feature in the action.  I’d like to eliminate this and convert it to just reset on “safety” when closing the action.
I was told this requires changing the fly on the hammer.  Any body know where one could acquire one of these?
The action is the flat spring style if that matters.
Thanks, Mike.
  
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bpjack
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Re: High Wall Conversion
Reply #1 - Sep 14th, 2024 at 3:20pm
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Does it have a fly cut in the hammer and a set trigger?   Not sure how to have a fly that blocks sear engagement at full cock and still blocks the 1/2 cock notch when using a set trigger. It probably has been done though.  When you raise the lever which raises the block the sear is far above the full cock notch.  When you manually cock the hammer with the lever up, the sear just barely is above the full cock notch.  I have had issues with too weak a seat spring relative to the knockoff spring where the hammer will engage full cock only on raising the lever not manually cocking.  I have a low wall that started doing that after replacing the trigger.  Fixing it is on my low priority list. 

Jack
  
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steel-pounder
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Re: High Wall Conversion
Reply #2 - Sep 15th, 2024 at 10:17am
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I remember seeing something about this in one of the Winchester single shot books along with drawings and/or pictures of said fly.
  
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bpjack
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Re: High Wall Conversion
Reply #3 - Sep 15th, 2024 at 11:20am
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I vaguely remember as well.  I will look through my Campbell books.
  
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4570mike
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Re: High Wall Conversion
Reply #4 - Sep 15th, 2024 at 4:09pm
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bpjack wrote on Sep 14th, 2024 at 3:20pm:
Does it have a fly cut in the hammer and a set trigger?   Not sure how to have a fly that blocks sear engagement at full cock and still blocks the 1/2 cock notch when using a set trigger. It probably has been done though.  When you raise the lever which raises the block the sear is far above the full cock notch.  When you manually cock the hammer with the lever up, the sear just barely is above the full cock notch.  I have had issues with too weak a seat spring relative to the knockoff spring where the hammer will engage full cock only on raising the lever not manually cocking.  I have a low wall that started doing that after replacing the trigger.  Fixing it is on my low priority list. 

I haven't disassembled the innards, but it has DST so there is likely a fly in it already.
 

Jack

  
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bpjack
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Re: High Wall Conversion
Reply #5 - Sep 15th, 2024 at 5:24pm
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You most likely have the standard fly.  Here are 2 photos showing the fly at the bottom ready to prevent the sear from engaging the 1/2 cock notch and the fly at the top.  A well fitting fly will stick out/up at the full cock notch so the sear sits between the hammer body and the fly tip.  This insures that the sear will first force the fly down if it did not fall down on its own when the hammer reaches full cock.  
Jack
  
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bpjack
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Re: High Wall Conversion
Reply #6 - Sep 15th, 2024 at 6:47pm
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I have one hammer  in my 45-90 high wall that has two flys. One is positioned higher and blocks the full cock notch. But because the lower fly is the same as the ones pictured in my previous post, the hammer falls past 1/2 cock to full rest.   That version is mentioned in Campbell’s book.  I think the hammer falls before the lever is all the way up so that the link is still holding the firing pin back.  I have shot this rifle many thousands of times and never had a round go off when the hammer falls the first time.   

Jack
  
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