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barrel diameters and muzzle brakes.

 
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  #36  
Old 05-18-2014, 01:37 PM
Edd Edd is offline
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Re: barrel diameters and muzzle brakes.

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If you want to display bravado, I understand, but if you presence here is to sell custom gunsmithing, I would suggest to you that many high end consumers are smart enough to understand my posts.
What is a high end consumer?
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  #37  
Old 05-18-2014, 11:23 PM
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Re: barrel diameters and muzzle brakes.

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thanks for sharing your knowledge JE it is very helpful to me as matter of fact I read every post that you put on this site even if it doesn't pertain to any of my intrest I trust you won't steer anybody into anything dangerous. Keep up the good work

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  #38  
Old 05-19-2014, 02:33 PM
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Re: barrel diameters and muzzle brakes.

I just called kreiger barrels and they said min was .562 for a 30 cal barrel.
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  #39  
Old 05-19-2014, 07:40 PM
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Re: barrel diameters and muzzle brakes.

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Originally Posted by stenger View Post
I just called kreiger barrels and they said min was .562 for a 30 cal barrel.

Lilja says .525 for a 30 cal, But that is the minimum muzzle diameter not the minimum wall after threading.

Lilja will not flute a barrel with less than there #4 contour (.650 at the muzzle) I recommended .648
at the muzzle in order to thread for a muzzle brake.

There #5 contour (.700 minimum for fluting) will work up to .350 Cal. (I recommended .690).

There #6 contour (.750 Minimum for fluting) will work up to .416 Cal. ( I recommended .756).

Again these are minimum barrel wall diameters!!!

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  #40  
Old 05-19-2014, 08:02 PM
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Re: barrel diameters and muzzle brakes.

Not sure if I am following you. I currently have a. 308 barrel that is .600 muzzle dim. So .600-.308=.292. .292/2=.146 wall. 9/16 brake is .562-308=.254/2=.127. Not sure what you mean by wall dim. Kreiger said 9/16 or .562 was ok.
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  #41  
Old 05-19-2014, 08:22 PM
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Re: barrel diameters and muzzle brakes.

I read the rest of the thread. I got it the min thread dim would be .108 wall. .032 under the .140 recommended dim.
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  #42  
Old 05-19-2014, 08:25 PM
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Re: barrel diameters and muzzle brakes.

I have seen a lot of rifles use 1/2 inch brakes. Anyone ever have a confirmed problem with a. 308 cal brake with a 1/2 dim thread that the root cause was a thin wall!
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