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Rifles, Reloading, Optics, Equipment
Reloading
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<blockquote data-quote="Trickymissfit" data-source="post: 679900" data-attributes="member: 25383"><p>years back I took a good look at 6mm bullet shapes with a Shadowgraph using a collet setup to hold the bullets in a vee block. I did rotate the bullets to check for error (out of roundness), but probably should have. I was more or less just interested in how much their shapes varied. They were all over the place! So were nearly had a strait ogive and others had a radius with varying numbers (I never bothered to plot them, and I should have). What I saw was that no seater plug was ever going to be perfect for every bullet. I even went so far as to make a couple of them for a couple bullets (Berger 88's and one Sierra). I saw an improvement with the 88's in runout, but didn't help the Sierra at all.</p><p> </p><p>Anyway it would appear to me that if you were Lee or Forster (or whoever) your seater plug would pretty much have to be generic. Even the VLD plugs would vary a little bit. In otherwords no plug will ever be perfect.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 679900, member: 25383"] years back I took a good look at 6mm bullet shapes with a Shadowgraph using a collet setup to hold the bullets in a vee block. I did rotate the bullets to check for error (out of roundness), but probably should have. I was more or less just interested in how much their shapes varied. They were all over the place! So were nearly had a strait ogive and others had a radius with varying numbers (I never bothered to plot them, and I should have). What I saw was that no seater plug was ever going to be perfect for every bullet. I even went so far as to make a couple of them for a couple bullets (Berger 88's and one Sierra). I saw an improvement with the 88's in runout, but didn't help the Sierra at all. Anyway it would appear to me that if you were Lee or Forster (or whoever) your seater plug would pretty much have to be generic. Even the VLD plugs would vary a little bit. In otherwords no plug will ever be perfect. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
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