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Rifles, Reloading, Optics, Equipment
Reloading
Reading pressure. Great article about it
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<blockquote data-quote="Mikecr" data-source="post: 1611371" data-attributes="member: 1521"><p>Keep in mind that actual pressure, pressure problems, and issues manifesting with increasing pressure, can be separate individual matters.</p><p></p><p>For example; difficult extraction can happen with a relatively low pressure load due to a poorly timed action/bolt. Flattening large rifle primers can be a result of excess head spacing. Cratering due to firing pin clearance. Big near web expansion is often the direct result of excess chamber clearance and/or weak breech support. A wet chamber could show up as an issue (or not) regardless of pressure. Case design itself amplifies or suppresses potential issues at every pressure level.</p><p></p><p>Personally, I work up until I hit a 'problem' for me,, stop and log it.</p><p>My standards for this may be different than yours. For example, I don't FL size, ever, so a problem for me would be a growth point requiring FL sizing to recover.</p><p>I'm watching with a chronograph, and QuickLoad to consider my potential pressures. But honestly, if it's not a problem, it's not a problem -regardless of apparent pressure.</p><p></p><p>I take care of most issues when I choose a cartridge/bullet, fill out a reamer print for it, and decide on an action that will put enough barrel steel around it. QuickLoad what-ifs helped me know what powder will fill the case, and reach desired velocities without going over pressure.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1611371, member: 1521"] Keep in mind that actual pressure, pressure problems, and issues manifesting with increasing pressure, can be separate individual matters. For example; difficult extraction can happen with a relatively low pressure load due to a poorly timed action/bolt. Flattening large rifle primers can be a result of excess head spacing. Cratering due to firing pin clearance. Big near web expansion is often the direct result of excess chamber clearance and/or weak breech support. A wet chamber could show up as an issue (or not) regardless of pressure. Case design itself amplifies or suppresses potential issues at every pressure level. Personally, I work up until I hit a 'problem' for me,, stop and log it. My standards for this may be different than yours. For example, I don't FL size, ever, so a problem for me would be a growth point requiring FL sizing to recover. I'm watching with a chronograph, and QuickLoad to consider my potential pressures. But honestly, if it's not a problem, it's not a problem -regardless of apparent pressure. I take care of most issues when I choose a cartridge/bullet, fill out a reamer print for it, and decide on an action that will put enough barrel steel around it. QuickLoad what-ifs helped me know what powder will fill the case, and reach desired velocities without going over pressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reading pressure. Great article about it
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