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Rifles, Reloading, Optics, Equipment
Reloading
AOL question
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<blockquote data-quote="woods" data-source="post: 1564811" data-attributes="member: 6042"><p>In this scenario, YES</p><p></p><p>There will be variation between your Hornady modified case and the cases fired in your rifle regarding the measurement from the case head to the middle of the shoulder. IOW the modified case is smaller than your fire formed case</p><p></p><p>To measure this you will need what Hornady calls it's headspace gauge</p><p></p><p><a href="https://www.midwayusa.com/product/479704/hornady-lock-n-load-headspace-gauge-5-bushing-set-with-comparator" target="_blank">https://www.midwayusa.com/product/479704/hornady-lock-n-load-headspace-gauge-5-bushing-set-with-comparator</a></p><p></p><p>IME it can be hard to get an accurate measurement with the Hornady modified case method and there can be problems if your neck is too tight for the modified case (that will hold it from entering into your chamber fully) or if you apply different force to push the gray rod in</p><p></p><p>Also you can not get into trouble seating further from the lands than necessary whereas you can get into trouble seating too close or into the lands. So just seat to 2.223 (20 thousandths off the lands according to your measurements) and it will not be critical if you are actually .020" off or .037" off</p></blockquote><p></p>
[QUOTE="woods, post: 1564811, member: 6042"] In this scenario, YES There will be variation between your Hornady modified case and the cases fired in your rifle regarding the measurement from the case head to the middle of the shoulder. IOW the modified case is smaller than your fire formed case To measure this you will need what Hornady calls it's headspace gauge [URL]https://www.midwayusa.com/product/479704/hornady-lock-n-load-headspace-gauge-5-bushing-set-with-comparator[/URL] IME it can be hard to get an accurate measurement with the Hornady modified case method and there can be problems if your neck is too tight for the modified case (that will hold it from entering into your chamber fully) or if you apply different force to push the gray rod in Also you can not get into trouble seating further from the lands than necessary whereas you can get into trouble seating too close or into the lands. So just seat to 2.223 (20 thousandths off the lands according to your measurements) and it will not be critical if you are actually .020" off or .037" off [/QUOTE]
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