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Chamber length?

 
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  #1  
Old 02-14-2011, 12:22 AM
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Join Date: Jan 2011
Location: West Virginia
Posts: 169
Chamber length?

What is the best way to measure chamber length and determine the maximum trim length for your brass when you are only using the brass in one specific gun? How much shorter should the brass be than the chamber length?
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  #2  
Old 02-14-2011, 01:08 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,373
Re: Chamber length?

Quote:
Originally Posted by WV Sendero View Post
What is the best way to measure chamber length and determine the maximum trim length for your brass when you are only using the brass in one specific gun? How much shorter should the brass be than the chamber length?
The best way that I know is to do a chamber cast using Cerrosafe lo temp from Brownells
to find out exactly how long the chamber COL is and trim .020 shorter.

Cerrosafe can be melted with hot water and will not harm the chamber.

Place a tight patch about 1/2 '' past the throat and pour the Cerrosafe in the chamber just enough
to fill it to the case head with a little button on the end to give you the whole chamber (Do not
overfill or it may be hard to remove) if you do a hair dryer will remove it easy.

There are gauges that you can buy to do this but with the Cerrosafe you have a physical
record/cast of your chamber. and it will give you all of the dimensions of your chamber for
24 hours, after that it is not dimensionally stable.

J E CUSTOM
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  #3  
Old 02-14-2011, 11:06 AM
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Join Date: Oct 2007
Posts: 865
Re: Chamber length?

Very.... simple

SINCLAIR INTERNATIONAL : Sinclair Chamber Length Gage -

Good luck
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  #4  
Old 02-14-2011, 11:30 AM
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Join Date: Apr 2010
Location: Allen, TX
Posts: 2,608
Re: Chamber length?

I would think Cerrosafe would be more informative since you could measure all aspects of the chamber and see any imperfections.

But, I'm guessing you really need to remove the barrel to use Cerrosafe? Whereas the Sinclair guage can be used without removing the barrel?

-- richard
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  #5  
Old 02-14-2011, 12:24 PM
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Join Date: Jan 2011
Location: West Virginia
Posts: 169
Re: Chamber length?

Thanks for the tips guys. I just ordered the sinclair guages. I like the idea of the cerrosafe to and may do that later on.
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