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Rifles, Reloading, Optics, Equipment
Reloading
Headspace Datum Line?
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<blockquote data-quote="Ludicrous" data-source="post: 702202" data-attributes="member: 46580"><p>Thanks Gary. I also base my calculations off fired brass from that specific chamber, if I have 50 fired cases I measure ALL of them and line them up in files, then whichever file has the most cases I base my shoulder setback on those. I also dislike trimming and measure my chamber lengths with the Sinclair gadget in a shortened case.</p><p></p><p>I'll measure up my fired cases with your OD neck vs. shoulder average and see where that puts the datum line for may cases.</p></blockquote><p></p>
[QUOTE="Ludicrous, post: 702202, member: 46580"] Thanks Gary. I also base my calculations off fired brass from that specific chamber, if I have 50 fired cases I measure ALL of them and line them up in files, then whichever file has the most cases I base my shoulder setback on those. I also dislike trimming and measure my chamber lengths with the Sinclair gadget in a shortened case. I'll measure up my fired cases with your OD neck vs. shoulder average and see where that puts the datum line for may cases. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Headspace Datum Line?
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