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Old 05-04-2007, 03:22 PM   #1
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Default Counterbored?

I was looking on web auction sites yesterday and came upon a listing that the seller said his gun was not couterbored. Does anyone know what this means?

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Old 05-09-2007, 07:19 PM   #2
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Default counterbore

when the muzzle is relieved by recesing to prevent damage

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Old 07-09-2007, 01:47 AM   #3
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Default counterboring

In some cases the counterboring was done to relieve accuracy problems when the crown or lands near the muzzle were damaged. Use of the old steel rods similar to our barracks rod were hell on muzzles.

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Old 09-14-2007, 04:45 PM   #4
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It depends on the type of gun he was talking about. If the gun in question is a revolver, it could mean the chambers in the cylinder are not counterbored. Smith & Wesson used to counterbore most all of their cylinders, as did Ruger on their Super Blackhawk. They stopped doing this because it really isn't necessary, but it did make the gun look so much better without that big gap in between the cylinder and the frame. It also saves money by speeding up the manufacturing process. Bill T.

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Old 09-14-2007, 06:42 PM   #5
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Also,I have a Polish .22 trainer. It is counterbored too. It gives the appearance of a large caliber rifle.

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Old 12-04-2010, 07:18 PM   #6
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Counterboring is done to try and restore some accuracy caused by a damaged muzzle.

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Old 12-04-2010, 08:41 PM   #7
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Default Counter Bored.....

This is out of text. There are counter bores and then there are counter bores. My uncle had his rifle counter bored to accept a 410 shot shell. I counter bored my shot gun to .755 at the muzzle. So what was or was not counter bored.......

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Old 12-04-2010, 09:08 PM   #8
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AAANNNNDDDDD the original question is how old?

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Old 12-05-2010, 03:07 AM   #9
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Quote:
Originally Posted by c3shooter View Post
AAANNNNDDDDD the original question is how old?
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Old 12-05-2010, 06:50 PM   #10
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Quote:
Originally Posted by willshoum View Post
This is out of text. There are counter bores and then there are counter bores. My uncle had his rifle counter bored to accept a 410 shot shell. I counter bored my shot gun to .755 at the muzzle. So what was or was not counter bored.......
This is very true
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