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Rifles, Reloading, Optics, Equipment
Reloading
300wm loaders help me
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<blockquote data-quote="CogburnR" data-source="post: 800518" data-attributes="member: 29174"><p>I ended up polishing mine right above the belt. I turned the belt off, drilled and tapped the case, mounted it on a 1/4 rod, lubed the case shoulder, and put a small line of fine valve grinding compound right above the belt where the shiny spots came and spun it in the chamber with a drill for a short time. Then I cleaned the crud out and used some flitz for a finer polish in the same area. I can't measure any change in diameter in the cases, the cases fired in the chamber before I polished the area measure the same size as the cases fired in the chamber after polishing. Close to .513"</p><p></p><p>Extraction however is much better. This is in a M70CRF Laredo 300WM, extraction was pretty sticky right when the bolt would start to move back even with light loads. Now it is not with 75.5g RL22 and a 180NBT which is fairly hot. </p><p></p><p>The case would fit in the chamber again after using the Innovative die but it didn't make any difference in ease of extracting the fired case.</p></blockquote><p></p>
[QUOTE="CogburnR, post: 800518, member: 29174"] I ended up polishing mine right above the belt. I turned the belt off, drilled and tapped the case, mounted it on a 1/4 rod, lubed the case shoulder, and put a small line of fine valve grinding compound right above the belt where the shiny spots came and spun it in the chamber with a drill for a short time. Then I cleaned the crud out and used some flitz for a finer polish in the same area. I can't measure any change in diameter in the cases, the cases fired in the chamber before I polished the area measure the same size as the cases fired in the chamber after polishing. Close to .513" Extraction however is much better. This is in a M70CRF Laredo 300WM, extraction was pretty sticky right when the bolt would start to move back even with light loads. Now it is not with 75.5g RL22 and a 180NBT which is fairly hot. The case would fit in the chamber again after using the Innovative die but it didn't make any difference in ease of extracting the fired case. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300wm loaders help me
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