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Rifles, Reloading, Optics, Equipment
Gunsmithing
do it yourself muzzle break
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<blockquote data-quote="J E Custom" data-source="post: 945329" data-attributes="member: 2736"><p>I do not recommend doing any threading on a firearm with any die or tap. Site bases can be done with a fixture but muzzles brakes should not be done this way.</p><p></p><p>If a brake is installed properly (True to the bore centerline) it has no effect on accuracy. If installed improperly, It can cause uneven harmonics and can be dangerous if the bullet can/does strike the brake.</p><p></p><p>I fix brakes that have been installed this way all of the time because they are not straight and the brake has to be bored out to assure that the bullet does not strike the brake.</p><p></p><p>Brakes need to be bored .010 to.020 larger than the bullet Diameter.(.005 to .010 clearance from the bullet) More than that, reduces the effectiveness of the brake. Any error in alignment can be catastrophic. It is very hard to see .010 much less .005 thousandths of error. </p><p></p><p>As long as the bullet does not hit the brake it is safe but can have a major effect on accuracy.</p><p></p><p>It is simply not the correct way to install a brake and the person that does brake installation this way is taking on a lot of liability if things go bad.</p><p></p><p>There are many things that a person can do it yourself (like bedding) that may not work but would</p><p>not be dangerous. But some things require proper tools and skill to perform safely.</p><p></p><p>I can not stress how important it is to have a real gunsmith do this type of work.</p><p></p><p>Would you hire a veterinarian to do open heart surgery on your father ? if a vet screws up the patient dies and he apologies.</p><p></p><p>Take this warning for what it is worth.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 945329, member: 2736"] I do not recommend doing any threading on a firearm with any die or tap. Site bases can be done with a fixture but muzzles brakes should not be done this way. If a brake is installed properly (True to the bore centerline) it has no effect on accuracy. If installed improperly, It can cause uneven harmonics and can be dangerous if the bullet can/does strike the brake. I fix brakes that have been installed this way all of the time because they are not straight and the brake has to be bored out to assure that the bullet does not strike the brake. Brakes need to be bored .010 to.020 larger than the bullet Diameter.(.005 to .010 clearance from the bullet) More than that, reduces the effectiveness of the brake. Any error in alignment can be catastrophic. It is very hard to see .010 much less .005 thousandths of error. As long as the bullet does not hit the brake it is safe but can have a major effect on accuracy. It is simply not the correct way to install a brake and the person that does brake installation this way is taking on a lot of liability if things go bad. There are many things that a person can do it yourself (like bedding) that may not work but would not be dangerous. But some things require proper tools and skill to perform safely. I can not stress how important it is to have a real gunsmith do this type of work. Would you hire a veterinarian to do open heart surgery on your father ? if a vet screws up the patient dies and he apologies. Take this warning for what it is worth. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
do it yourself muzzle break
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