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Building a Muzzle Brake.

 
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  #1  
Old 07-28-2013, 12:28 AM
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Join Date: Jul 2013
Location: Sydney, Australia.
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Building a Muzzle Brake.

I am thinking of building a muzzle brake to suit a 308 Norma Magnum. I have searched around and found one design that I like the look and design of.
I have a couple of questions. Firstly, what material do you consider would be best for a brake and secondly, do we have any members here who have any experience with these brakes from Ebiarms.

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  #2  
Old 07-30-2013, 06:12 AM
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Location: Great Falls, MT
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Re: Building a Muzzle Brake.

Quote:
Originally Posted by Divey View Post
I am thinking of building a muzzle brake to suit a 308 Norma Magnum.
There are plenty of MBs in the market that suits a .308 Norma and every site sponsor's MB design here meets/exceeds that.
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  #3  
Old 07-30-2013, 06:22 AM
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Location: Spokane, WA
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Re: Building a Muzzle Brake.

JE Custom put together a great little video trying to get objectivity into the muzzle break discussion. Its on this site if your interested, might not solve your particular issue but its worth watching.
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  #4  
Old 07-30-2013, 08:35 PM
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Join Date: Jul 2004
Location: Texas
Posts: 5,384
Re: Building a Muzzle Brake.

Quote:
Originally Posted by Divey View Post
I am thinking of building a muzzle brake to suit a 308 Norma Magnum. I have searched around and found one design that I like the look and design of.
I have a couple of questions. Firstly, what material do you consider would be best for a brake and secondly, do we have any members here who have any experience with these brakes from Ebiarms.

Making a Brake can be expensive because of the material cost and Time if you have someone else
machine it. So I would recommend buying one already made unless you are a do it yourself person
like some of us.

For building "One" I would try and find an old barrel in a small caliber and chamber like a 22 rim fire and use the Shank end These barrels are normally chrome Molly or 416 R stainless ( I use the 416 R barrel steel for my brakes because it is the same material as the stainless barrel and is a free machining
steel Plus it is very tough and corrosion resistant.

I personally don't like the looks of the "clamp on brakes and also worry about the bore alignment as
compared to the threaded on and timed brakes. (Just my preference).

I have another video on top ported brakes and uneven ports that I have been hesitant to show because of what I found.

I don,t know how tough it is to ship something from hear to there because it may be to expensive or take for ever but it would be worth checking into.

Not trying to sell you one of my brakes because there are lots of good brakes available, but I also have a method for tuning a brake for a specific cartridge that squeezes another 5 to 8% recoil reduction
out of it and the 308 Norma could use every bit of recoil reduction available to be pleasant.

I hope this helps our friends down under.

J E CUSTOM

PS: Thanks to HARPERC for the kind words I am glad you liked the video.
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  #5  
Old 07-30-2013, 09:56 PM
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Join Date: Jul 2013
Location: Sydney, Australia.
Posts: 15
Re: Building a Muzzle Brake.

Thank you very much for your reply.

I have been given a large piece of K110 tool steel and I have a good friend who is a toolmaker and has his own little business. He has offered to put some drawings into the software for one of his CNC mills to make one of these brakes for me.
Rather than make one the same as what I posted, I'm considering using just four caps screws and making the brake so it has two 90 ports and four 120 or 60 ports depending on where you are measuring your angle from.

It will not cost me anything to make and seeing as I'm retired I have a fair amount of time to fiddle with these things.
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  #6  
Old 07-31-2013, 12:59 AM
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Join Date: Jul 2013
Location: Sydney, Australia.
Posts: 15
Re: Building a Muzzle Brake.

Correction. The material I have is K1045.
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  #7  
Old 07-31-2013, 07:42 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,384
Re: Building a Muzzle Brake.

Quote:
Originally Posted by Divey View Post
Thank you very much for your reply.

I have been given a large piece of K110 tool steel and I have a good friend who is a toolmaker and has his own little business. He has offered to put some drawings into the software for one of his CNC mills to make one of these brakes for me.
Rather than make one the same as what I posted, I'm considering using just four caps screws and making the brake so it has two 90 ports and four 120 or 60 ports depending on where you are measuring your angle from.

It will not cost me anything to make and seeing as I'm retired I have a fair amount of time to fiddle with these things.

That sounds like a good deal and fun also.

It is always fun to build something your self and try I out. Be sure and remote test it for safety the first time.

I don't think I would not heat treat it because in its machining state it is more ductile.

Muzzle brakes only see about 10,000 to 15,000 psi but if the material fails it can be exciting to say the
least.

Good luck

J E CUSTOM
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