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Rifles, Reloading, Optics, Equipment
Reloading
Question about custom dies
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<blockquote data-quote="Mikecr" data-source="post: 999671" data-attributes="member: 1521"><p>There is no proof that looser fitting cases are more accurate. What exists, is anecdotal evidence that tighter brass does not work as well or shoot as well for some, and with common conditions/causes(like poor cartridge designs, or huge runout, or bag shooting troublesome between conditions, etc).</p><p></p><p>My 26WSSM uses the same WSM cases. That is, they are WSM cases cut to shorter WSSM length and then formed. WSSM necks are 19-24thou thick(depending on cal), because the neck area was previously WSM body.</p><p>Anyway, same base.</p><p></p><p>I have 40+ reloadings(right at SAAMI max) on my WSSM cases, with no base sizing at all, zero problems, and so I know for sure there is nothing wrong with the WSM cases or design near webs.</p><p>I don't FL size, small base size, and I've applied no band aids to the chamber breech.</p><p>What I did was measure my NEW brass dimensions at the webline, and set my reamer 1thou over.</p><p>With this, I never intended to FL size, as the thickest part of these cases(webs) would just springback, provided they are never taken to yield. This works (fitted webs) just like it works with fitted necks(I don't neck size the cases either).</p><p></p><p>Where you cause brass yielding, you're accepting that you'll have to do something about that, and the same holds for a lot of sizing & sizing cycles. </p><p>They're all choices, it all makes sense, and there is no 'luck' about it one way or another.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 999671, member: 1521"] There is no proof that looser fitting cases are more accurate. What exists, is anecdotal evidence that tighter brass does not work as well or shoot as well for some, and with common conditions/causes(like poor cartridge designs, or huge runout, or bag shooting troublesome between conditions, etc). My 26WSSM uses the same WSM cases. That is, they are WSM cases cut to shorter WSSM length and then formed. WSSM necks are 19-24thou thick(depending on cal), because the neck area was previously WSM body. Anyway, same base. I have 40+ reloadings(right at SAAMI max) on my WSSM cases, with no base sizing at all, zero problems, and so I know for sure there is nothing wrong with the WSM cases or design near webs. I don't FL size, small base size, and I've applied no band aids to the chamber breech. What I did was measure my NEW brass dimensions at the webline, and set my reamer 1thou over. With this, I never intended to FL size, as the thickest part of these cases(webs) would just springback, provided they are never taken to yield. This works (fitted webs) just like it works with fitted necks(I don't neck size the cases either). Where you cause brass yielding, you're accepting that you'll have to do something about that, and the same holds for a lot of sizing & sizing cycles. They're all choices, it all makes sense, and there is no 'luck' about it one way or another. [/QUOTE]
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Question about custom dies
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