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Rifles, Reloading, Optics, Equipment
Reloading
Determining Precision COALs
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<blockquote data-quote="Janno05" data-source="post: 2197229" data-attributes="member: 26824"><p>The absolute best way I have found to determine this requires having the barrel off the rifle. I don't remember the post so I can't properly cite whoever came up with this, but you progressively seat bullets deeper until you can drop it into the chamber with a couple light taps and pull it out with a fingernail. I did this on 10 blind cases so I wouldn't bias the test and 8/10 were within.001 of each other.</p><p></p><p>If you don't pull the barrel, I have had the best luck with using a cleaning rod down the barrel and a Hornady tool in the chamber, this allows you to go back and forth with the bullet to feel the pressure required to hit the lands. It takes some practice to get the feel of it, but I get much more consistent readings than the Hornady tool by itself. Good luck!</p></blockquote><p></p>
[QUOTE="Janno05, post: 2197229, member: 26824"] The absolute best way I have found to determine this requires having the barrel off the rifle. I don’t remember the post so I can’t properly cite whoever came up with this, but you progressively seat bullets deeper until you can drop it into the chamber with a couple light taps and pull it out with a fingernail. I did this on 10 blind cases so I wouldn’t bias the test and 8/10 were within.001 of each other. If you don’t pull the barrel, I have had the best luck with using a cleaning rod down the barrel and a Hornady tool in the chamber, this allows you to go back and forth with the bullet to feel the pressure required to hit the lands. It takes some practice to get the feel of it, but I get much more consistent readings than the Hornady tool by itself. Good luck! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Determining Precision COALs
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