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Rifles, Reloading, Optics, Equipment
Reloading
lapua brass prep
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<blockquote data-quote="tlk" data-source="post: 366694" data-attributes="member: 11397"><p>You are correct! I am today's "working moron"<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" />. Please forgive the non-caffeinated rant. Did I really write that? Oh well, can't take it back now since you quoted it - preserved for the ages!</p><p> </p><p>What I meant to say was this: will using a standard sizing die cause an issue with the neck tension on brass that has been turned to .0135-.014? The reason I ask is that I am using a Lee Collet, and have been advised that neck turning while using a standard (non-bushing) die does little that is advantageous because the neck tension cannot be controlled. The idea being that repeatable neck tension is a function of both consistent neck thickness AND a bushing-type die.</p><p> </p><p>It would seem that neck tension can NEVER be controlled on new (unturned) brass straight out the bag due to the thickness variations from neck to neck, regardless of the dies that are used. Therefore, it would follow that the only way to get consistent tension is to create a consistent neck via turning and then setting your dies the same every time (regardless of what flavor it is). Basically neck turning becomes a journey to establish a known constant (one thickness) from a series of fixable variables (multiple neck thicknesses). I can live with that, if the explanation is that easy. But it also means that 80% trued is 20% off - knocking off the high spots only reduces the variability, it does not eliminate it - consistent neck tension may not be obtained and flyers could still result.</p><p> </p><p>But how come non-bushing sizing dies are not optimal if all necks are turned to the same thickness? What aspects of neck tension are the sizing dies with bushings controlling that the other dies are not if the neck are the same?</p></blockquote><p></p>
[QUOTE="tlk, post: 366694, member: 11397"] You are correct! I am today's "working moron":D. Please forgive the non-caffeinated rant. Did I really write that? Oh well, can't take it back now since you quoted it - preserved for the ages! What I meant to say was this: will using a standard sizing die cause an issue with the neck tension on brass that has been turned to .0135-.014? The reason I ask is that I am using a Lee Collet, and have been advised that neck turning while using a standard (non-bushing) die does little that is advantageous because the neck tension cannot be controlled. The idea being that repeatable neck tension is a function of both consistent neck thickness AND a bushing-type die. It would seem that neck tension can NEVER be controlled on new (unturned) brass straight out the bag due to the thickness variations from neck to neck, regardless of the dies that are used. Therefore, it would follow that the only way to get consistent tension is to create a consistent neck via turning and then setting your dies the same every time (regardless of what flavor it is). Basically neck turning becomes a journey to establish a known constant (one thickness) from a series of fixable variables (multiple neck thicknesses). I can live with that, if the explanation is that easy. But it also means that 80% trued is 20% off - knocking off the high spots only reduces the variability, it does not eliminate it - consistent neck tension may not be obtained and flyers could still result. But how come non-bushing sizing dies are not optimal if all necks are turned to the same thickness? What aspects of neck tension are the sizing dies with bushings controlling that the other dies are not if the neck are the same? [/QUOTE]
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