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Rifles, Reloading, Optics, Equipment
Reloading
Sinclair bump gauge error
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<blockquote data-quote="Mikecr" data-source="post: 3011855" data-attributes="member: 1521"><p>It's possible that the case shoulder angle isn't what you expect.</p><p>It's possible that the die & it's setting is not bumping shoulders, but purely reducing shoulder angle instead.</p><p>Zero HS could be reached & cleared with a given chamber:</p><p>-At the neck-shoulder junction</p><p>-At the body-shoulder junction</p><p>-With shoulder angle</p><p>-Various in summation</p><p>This, depending on your die/chamber/brass match, or mismatch.</p><p>Do you know how shoulder bumping is <em>supposed to</em> occur?</p><p>If you feel like you have a combination that is causing an excess, that may be valid, but what will you do about it?</p><p></p><p>Maybe it really doesn't matter so long as it is a consistent smidge from a zero head space condition.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 3011855, member: 1521"] It's possible that the case shoulder angle isn't what you expect. It's possible that the die & it's setting is not bumping shoulders, but purely reducing shoulder angle instead. Zero HS could be reached & cleared with a given chamber: -At the neck-shoulder junction -At the body-shoulder junction -With shoulder angle -Various in summation This, depending on your die/chamber/brass match, or mismatch. Do you know how shoulder bumping is [I]supposed to[/I] occur? If you feel like you have a combination that is causing an excess, that may be valid, but what will you do about it? Maybe it really doesn't matter so long as it is a consistent smidge from a zero head space condition. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Sinclair bump gauge error
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