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Rifles, Reloading, Optics, Equipment
Reloading
How nonsense becomes fact.
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<blockquote data-quote="fiftybmg" data-source="post: 1905219" data-attributes="member: 96316"><p>I've never seen a primer from a proof load, so I can't say what they look like. All loads flatten primers to some degree. Primer flattening is an indication of pressure, the same way recoil is an indication of pressure, the same way brass flow of the case walls is an indication of pressure. I expect that proof loads will at a minimum expand the web enough for the primers to easily drop out. Or have I missed the point of the question ?</p><p></p><p></p><p></p><p>I'm questioning nothing that comes from a loading manual or published by a powder manufacturer. I'm not questioning how or what measurements are done in the reloading process. I made a statement about a ridiculous online article written by a gun writer for what is a well known shooting magazine.</p><p></p><p>The writer of the article did not refer to any manuals or data during load development, and only considered how things looked and how things felt. I'm highlighting the process written about in that article as misleading information, and making a statement : that way of load development is nonsense.</p><p></p><p>For all who took the time to quote empirical data and manufacturers publications, thank you. The point remains : the gun writer did none of that. Quoting all that to me is informative, but misses what I'm pointing out.</p><p></p><p>My intention is not to argue with people over how they develop their loads. I'm not trying to tell anyone what to do, or how to do it. I'm not saying never look at your primers, or ignore how your bolt is working. </p><p></p><p>The gun writer [ and everyone else ] is entitled to do as he wishes with his reloading. </p><p></p><p>Not enough of an effort was made to publicise a safe procedure for working up a load for which no data can be found.</p></blockquote><p></p>
[QUOTE="fiftybmg, post: 1905219, member: 96316"] I've never seen a primer from a proof load, so I can't say what they look like. All loads flatten primers to some degree. Primer flattening is an indication of pressure, the same way recoil is an indication of pressure, the same way brass flow of the case walls is an indication of pressure. I expect that proof loads will at a minimum expand the web enough for the primers to easily drop out. Or have I missed the point of the question ? I'm questioning nothing that comes from a loading manual or published by a powder manufacturer. I'm not questioning how or what measurements are done in the reloading process. I made a statement about a ridiculous online article written by a gun writer for what is a well known shooting magazine. The writer of the article did not refer to any manuals or data during load development, and only considered how things looked and how things felt. I'm highlighting the process written about in that article as misleading information, and making a statement : that way of load development is nonsense. For all who took the time to quote empirical data and manufacturers publications, thank you. The point remains : the gun writer did none of that. Quoting all that to me is informative, but misses what I'm pointing out. My intention is not to argue with people over how they develop their loads. I'm not trying to tell anyone what to do, or how to do it. I'm not saying never look at your primers, or ignore how your bolt is working. The gun writer [ and everyone else ] is entitled to do as he wishes with his reloading. Not enough of an effort was made to publicise a safe procedure for working up a load for which no data can be found. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How nonsense becomes fact.
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