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Rifles, Reloading, Optics, Equipment
Gunsmithing
Polish Chamber In New Barrel
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<blockquote data-quote="J E Custom" data-source="post: 1333051" data-attributes="member: 2736"><p>I will not be drawn into a P!$$!ng match over this but It is simple. Do It the way you want and keep believing that polishing makes the chamber</p><p>better.</p><p></p><p>I look at this like, If a chamber needs to be polished The smith didn't do his job. Also when you polish, you remove material. It Doesn't matter how much.</p><p></p><p>Sizing of ant kind doesn't keep the brass from loading the bolt any more or less. Pressure and chamber finish does. Just like lapped barrels, the finish can effect the performance and the fouling characteristics. Engine builders know that a honed finish in the cylinder is the best and that the last thing they will do is polish a cylinder because it also can change the dimensions and the straightness of the surface of the cylinder. </p><p></p><p>The comment about There being no such thing as bolt thrust is almost comical. If it does not exist, why do people have bolt lug set back that can/does increase headspace over time ? I have seen people that thought if they lubed the cases before they shot them, it would make extraction easier And all it did was wreck there action with "Excessive</p><p>bolt loading and in many instances, trash there brass. Lubing the cases is just like polishing the chamber, it increases the bolt loading.</p><p></p><p>So, polishing a chamber serves no purpose except to make a rough chamber look better. All other effects of polishing are negative In my opinion.</p><p></p><p>Again, do it like you want and live with the effects.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1333051, member: 2736"] I will not be drawn into a P!$$!ng match over this but It is simple. Do It the way you want and keep believing that polishing makes the chamber better. I look at this like, If a chamber needs to be polished The smith didn't do his job. Also when you polish, you remove material. It Doesn't matter how much. Sizing of ant kind doesn't keep the brass from loading the bolt any more or less. Pressure and chamber finish does. Just like lapped barrels, the finish can effect the performance and the fouling characteristics. Engine builders know that a honed finish in the cylinder is the best and that the last thing they will do is polish a cylinder because it also can change the dimensions and the straightness of the surface of the cylinder. The comment about There being no such thing as bolt thrust is almost comical. If it does not exist, why do people have bolt lug set back that can/does increase headspace over time ? I have seen people that thought if they lubed the cases before they shot them, it would make extraction easier And all it did was wreck there action with "Excessive bolt loading and in many instances, trash there brass. Lubing the cases is just like polishing the chamber, it increases the bolt loading. So, polishing a chamber serves no purpose except to make a rough chamber look better. All other effects of polishing are negative In my opinion. Again, do it like you want and live with the effects. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Polish Chamber In New Barrel
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