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Rifles, Reloading, Optics, Equipment
Reloading
Seating depth test
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<blockquote data-quote="QuietTexan" data-source="post: 2529154" data-attributes="member: 116181"><p>There's no circle. I shoot the seating depths at 93% of max charge, the odds of that one random charge being the best is pretty low. Shoot a pressure ladder to find the max load for the rifle, shoot a seating depth testing of whatever method, shoot a lot of powder charges at the best seating depth. </p><p></p><p>Rinse, lather, repeat for anything else you want to change. Why assume your powder choice is the right one that doesn't need to change? I have almost a dozen different powders for my 223, almost that many for 6.5 CMs, at least a half dozen for the big magnums. </p><p></p><p>And yes, once you find a really good happy load - intentionally try to break it. Load an erratic powder charge and start changing other variables like neck interference, primer seating, different sizing die or something along those lines and you'll see the big nasty groups shift with the variable you're working on. Put a tuner on the barrel and really things move around also.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2529154, member: 116181"] There's no circle. I shoot the seating depths at 93% of max charge, the odds of that one random charge being the best is pretty low. Shoot a pressure ladder to find the max load for the rifle, shoot a seating depth testing of whatever method, shoot a lot of powder charges at the best seating depth. Rinse, lather, repeat for anything else you want to change. Why assume your powder choice is the right one that doesn't need to change? I have almost a dozen different powders for my 223, almost that many for 6.5 CMs, at least a half dozen for the big magnums. And yes, once you find a really good happy load - intentionally try to break it. Load an erratic powder charge and start changing other variables like neck interference, primer seating, different sizing die or something along those lines and you'll see the big nasty groups shift with the variable you're working on. Put a tuner on the barrel and really things move around also. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Seating depth test
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