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Rifles, Reloading, Optics, Equipment
Reloading
Measuring the "WEB" area of the case for pressure signs?
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<blockquote data-quote="Mikecr" data-source="post: 244126" data-attributes="member: 1521"><p>You'll get every pressure sign in the world before getting in trouble. But watching web expansion can help you save brass from a life shortening standpoint.</p><p></p><p>On upward load changes I check & back off with significant step changes measured in front of the extraction groove. I just use a caliper for quick checks at the range. But this is with well formed brass that has FULLY SETTLED. </p><p>Some cartridges, some brass, and some accurate loads, produce changes different than others. So you have to take this into account and just get to know your brass..</p><p>For example, growth from a 223 is considerably different than same measured growth from a WSSM, -given the same pressures.</p><p>And after FL sizing, you can't go by any kind of before/after comparison.</p><p> </p><p>It just comes down to a step change from what you normally measure, from fully fire-formed brass, as freshly pulled from a smoking chamber.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 244126, member: 1521"] You'll get every pressure sign in the world before getting in trouble. But watching web expansion can help you save brass from a life shortening standpoint. On upward load changes I check & back off with significant step changes measured in front of the extraction groove. I just use a caliper for quick checks at the range. But this is with well formed brass that has FULLY SETTLED. Some cartridges, some brass, and some accurate loads, produce changes different than others. So you have to take this into account and just get to know your brass.. For example, growth from a 223 is considerably different than same measured growth from a WSSM, -given the same pressures. And after FL sizing, you can't go by any kind of before/after comparison. It just comes down to a step change from what you normally measure, from fully fire-formed brass, as freshly pulled from a smoking chamber. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Measuring the "WEB" area of the case for pressure signs?
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