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muzzle brake recomendations

 
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  #8  
Old 04-26-2011, 08:08 AM
Platinum Member
 
Join Date: Jul 2004
Location: Texas
Posts: 5,614
Re: muzzle brake recomendations

Quote:
Originally Posted by fj40mojo View Post
Here is contact info for a local guy that makes a fantastic brake.

email is rem40xb1@msn.com phone 208 587 8993

His name is Ross,

Here is a vid of one of his test.

YouTube - 375-JRS Test.mpg

YouTube - 338 EDGE.mpg
I have used his brakes and they are good ones.

He is a good one to do buisness with also.

In reference to your post on striking the brake, It must not have had a large enough hole (Bullet
Dia + .020 thousandths)Some have tried less and have had trouble with accuracy because of the
pressure wave created buy the bullet having an effect on it.

The bullet should be totally clear of the break before it starts to work with no effect on it.

I have tried boring the hole starting at .005 and going larger while testing and found no
improvement in recoil reduction and only found an increase in recoil starting at .030 overbore.

Accuracy was impaired (All tho not much) with the smaller bore on the brake. .015 to .025 seems
to be an optumum diameter for the brakes and most of the manufactures of brakes recomend
Bullet diameter + .020.

I personally don't like brakes on most rifles but a lot of people do, so in order to install them
correctly I wanted to understand cause and effects of brakes, Hence the testing.

So even if it was a poor design it shouldn't have effected the accuracy if installed properly IMO.

Also the "Smith" should not try out something new on one of his client's rifles before all testing
is done.

J E CUSTOM
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  #9  
Old 04-26-2011, 06:41 PM
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Join Date: Feb 2011
Location: Prince George B.C.
Posts: 195
Re: muzzle brake recomendations

Quote:
Originally Posted by J E Custom View Post
I have used his brakes and they are good ones.

He is a good one to do buisness with also.

In reference to your post on striking the brake, It must not have had a large enough hole (Bullet
Dia + .020 thousandths)Some have tried less and have had trouble with accuracy because of the
pressure wave created buy the bullet having an effect on it.

The bullet should be totally clear of the break before it starts to work with no effect on it.

I have tried boring the hole starting at .005 and going larger while testing and found no
improvement in recoil reduction and only found an increase in recoil starting at .030 overbore.

Accuracy was impaired (All tho not much) with the smaller bore on the brake. .015 to .025 seems
to be an optumum diameter for the brakes and most of the manufactures of brakes recomend
Bullet diameter + .020.

I personally don't like brakes on most rifles but a lot of people do, so in order to install them
correctly I wanted to understand cause and effects of brakes, Hence the testing.

So even if it was a poor design it shouldn't have effected the accuracy if installed properly IMO.

Also the "Smith" should not try out something new on one of his client's rifles before all testing
is done.

J E CUSTOM
Not too sure of the physics behind it but the brake I had started out at .363 for 1/4" then went to .483 for 1", this is the area that the ports were drilled into, then closed back up to .380 for the last 1/2". I'm unsure as to why it was stiking but I had blamed it on the fact that the round had to try to pass through that many different diameters and still remain stable and straight. If I am wrong in this and someone can explain it to me feel free to, I am far from all knowing and more than willing to try to learn or understand new things. I appreciate all the input and am considering most of the options placed here, just going to have to deal with the customs issue I guess as I havn't been pointed in the direction of any Canadian sellers, Oh well guess that's the way it goes sometimes. Once again thanks for tthe input to all and feel free to add any that may been missed
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  #10  
Old 04-27-2011, 07:08 AM
Gold Member
 
Join Date: Sep 2004
Location: Nevada
Posts: 622
Re: muzzle brake recomendations

Flinching is a mind thing. I'm from time before brakes. I was given a 26 inch ruger number 1 .458 win mag 25 years ago with all the reloading stuff and hundred of 510 solids and round noses for Safari use.

I was given the gun because the owner said it kicked his Ars. To me it was just a fun gun of wonder. About all I can take is 20 rounds in one day.

But it cured my fear of any rifle caliber. I don't even flinch on wimpy guns with only 4000 foot pounds.
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.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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