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Rifles, Reloading, Optics, Equipment
Reloading
To neck size or full length size???
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<blockquote data-quote="Mikecr" data-source="post: 953533" data-attributes="member: 1521"><p>You should produce a fully fireformed case for reference measure of bump.</p><p>You didn't say whether so or not, but depending on cartridge shoulder angles it can take 3-5shts on brass to just reach interference from the shoulders on chambering. This is what you want to bump back from for longest life from your cases.</p><p></p><p>Also, there are factors that can affect bump other than locked down die setting, like lube amount/quality, and amount of individual case sizing w/resp to others. As you've seen, a good observation, you can cross a line with case sizing to counter intent.</p><p>You should measure bump with every case sized, as you should measure cartridge base to ogive(CBTO) of loaded. Every one, every time.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 953533, member: 1521"] You should produce a fully fireformed case for reference measure of bump. You didn't say whether so or not, but depending on cartridge shoulder angles it can take 3-5shts on brass to just reach interference from the shoulders on chambering. This is what you want to bump back from for longest life from your cases. Also, there are factors that can affect bump other than locked down die setting, like lube amount/quality, and amount of individual case sizing w/resp to others. As you've seen, a good observation, you can cross a line with case sizing to counter intent. You should measure bump with every case sized, as you should measure cartridge base to ogive(CBTO) of loaded. Every one, every time. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
To neck size or full length size???
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