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DognIguana
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Colour Case Blocks and Fixtures
Sep 3rd, 2026 at 8:43am
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Good morning,

I am a student at the Pennsylvania Gunsmith School looking for advice/suggestions on action blocks and small parts fixtures for some builds this fall. 

I have managed to get a collection of actions: high wall, low wall, ballard, sharps 1875 and a borchardt for final projects.

Internal blocks seem pretty straight forward but I am open to any feedback or block ideas. Levers, tangs etc however are a different story. 

Should levers and tangs be hardened separately or on the action? 

Should the halves of the ballard bock be hardened screwed together or separately on a fixture?

What type of block or fixtures have others had success with? 

Any input is appreciated, thanks.


DnI

  
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TomKlinger
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Re: Colour Case Blocks and Fixtures
Reply #1 - Sep 3rd, 2026 at 9:27am
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First anneal. 
If you can do everything together. I’ve done it separately, and together with good results. Color looks more consistent when done together. Screw block Halves together to limit warping.
Quench your parts vertically to limit tang warpage. Anything that hits the water flat can cause warpage. Don’t go much over1300* it’s not necessary. CCH you will find is very subjective…..
Tom Klinger

P.S. welcome aboard!
« Last Edit: Sep 3rd, 2026 at 10:16am by TomKlinger »  
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Chuckster
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Re: Colour Case Blocks and Fixtures
Reply #2 - Sep 3rd, 2026 at 11:56am
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Use soft non-hardenable screws to hold things together. You may have to drill them out.
Case hardened parts shrink just slightly.
Chuck
  
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DognIguana
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Re: Colour Case Blocks and Fixtures
Reply #3 - Sep 4th, 2026 at 6:38am
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Hi guys,

Thanks very much for the input. I am looking forward to these projects and I will post pics when they are done.

DnI
  
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