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Rifles, Reloading, Optics, Equipment
Gunsmithing
Muzzle break burr?
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<blockquote data-quote="J E Custom" data-source="post: 1281739" data-attributes="member: 2736"><p>looking at the pictures again It still looks like the last two bore holes have a copper buildup on them.</p><p></p><p>Copper wont just spray/cote its self on the inside of a brake unless there is a clearance problem. When a brake is misaligned, it will get worse as it gets near the exit hole and it looks like the last two holes are being coted. The bead of copper could be a build up of copper from the strike.</p><p></p><p>A properly installed and bored brake will/should have only a carbon build up on the inside, and it should actually be worse on the first port and get better towards the front of the brake. and the apparent gas cutting of the edges of the holes indicate a seal between the bullet and the hole. Once the copper is deposited, it will continue to build up just like it does in a barrel and can only get worse. This phenomenon is also not normal unless the brake material is very soft. (Proper alloys are much tougher/harder than the jacket material and can handle the copper and gasses that they have to deal with).</p><p></p><p>You are right to concern your self because it is not normal and needs to be fixed as recommended. </p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1281739, member: 2736"] looking at the pictures again It still looks like the last two bore holes have a copper buildup on them. Copper wont just spray/cote its self on the inside of a brake unless there is a clearance problem. When a brake is misaligned, it will get worse as it gets near the exit hole and it looks like the last two holes are being coted. The bead of copper could be a build up of copper from the strike. A properly installed and bored brake will/should have only a carbon build up on the inside, and it should actually be worse on the first port and get better towards the front of the brake. and the apparent gas cutting of the edges of the holes indicate a seal between the bullet and the hole. Once the copper is deposited, it will continue to build up just like it does in a barrel and can only get worse. This phenomenon is also not normal unless the brake material is very soft. (Proper alloys are much tougher/harder than the jacket material and can handle the copper and gasses that they have to deal with). You are right to concern your self because it is not normal and needs to be fixed as recommended. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Muzzle break burr?
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