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Normal Topic throating a barrel (Read 2592 times)
Hank45
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throating a barrel
Sep 16th, 2013 at 8:10am
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Explain to me how you measure a chamber for throating? thanks Hank45
  
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Chuckster
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Re: throating a barrel
Reply #1 - Sep 16th, 2013 at 11:26pm
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Second the question. Have an un-throated 38-35 breech seater chamber and a throating reamer in hand. Have a bullet but unsure what to do.
Chuck
  
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frnkeore
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Re: throating a barrel
Reply #2 - Sep 17th, 2013 at 1:22am
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There are two parts to a throat. The Ball seat or freebore and the leade.

The freebore allows a bullet to be seated out and to align it to the groove. The leade desides how quickly the bullet will be swaged into the lands.

You can figure it mathmatically with a chamber drawing after you deside what OAL lenght you want or how much more case capacity your trying to get.

Frank
  
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QuestionableMaynard8130
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Re: throating a barrel
Reply #3 - Sep 17th, 2013 at 6:19am
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Also it is possible to get a mold that will fit the existing throat (in most cases) if you do a chamber cast and measure accurately. 
  This is generally preferable if you are dealing with an original vintage rifle. Obviously condition and desirability are factors. Altering an original in good condition usually lowers its value.
  
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firearmdoc
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Re: throating a barrel
Reply #4 - Sep 17th, 2013 at 6:55am
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Call Dave Kiff at PTG reamers. He is very good to talk to, will call you back if he not available when you call, and can provide more info than you probably thought you needed.  541-826-5808

Jesse
  
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JLouis
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Re: throating a barrel
Reply #5 - Sep 17th, 2013 at 2:18pm
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That is one of those questions that will provide a multitude of personnel opinions some of which might not be correct for your personnel use and once you run your reamer in there, there is no going back so do your research before moving forward.
  
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