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Rifles, Reloading, Optics, Equipment
Reloading
Over size 1x fired Norma 300 WSM brass
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<blockquote data-quote="Idahank" data-source="post: 2938432" data-attributes="member: 23300"><p>…I really hope that didn't alter headspace much. If you have to do that same thing again, please make a poor man's headspace gauge with one of those resized rounds. Stack up circles of tape on the base of the case (obviously not up over the rim) until you can't close the bolt. Measure the total tape thickness (squeeze calipers to replicate the cam force of the bolt) of the last layer that you could squeeze closed and that will be your approximate headspace. Case head separations occur with a <em><strong>cumulative</strong></em> headspace (each shoulder bump counts into this) of around 0.015"</p></blockquote><p></p>
[QUOTE="Idahank, post: 2938432, member: 23300"] …I really hope that didn’t alter headspace much. If you have to do that same thing again, please make a poor man’s headspace gauge with one of those resized rounds. Stack up circles of tape on the base of the case (obviously not up over the rim) until you can’t close the bolt. Measure the total tape thickness (squeeze calipers to replicate the cam force of the bolt) of the last layer that you could squeeze closed and that will be your approximate headspace. Case head separations occur with a [I][B]cumulative[/B][/I] headspace (each shoulder bump counts into this) of around 0.015” [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Over size 1x fired Norma 300 WSM brass
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