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Rifles, Reloading, Optics, Equipment
Reloading
Problem with deviation on my handloads
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<blockquote data-quote="Bart B" data-source="post: 651545" data-attributes="member: 5302"><p>If you're not setting a fired belted case shoulder back at all (or no more than a couple thousandths) when it's sized, the front of the cartridge centers perfectly in the chamber whether there's a "centering shoulder" or not. The firing pin driving the case shoulder hard into the matching chamber shoulder centers the round as well as the bullet perfectly. Any off-center the case neck has relative to the shoulder results in the case neck being off center in the chamber neck; the bullet's aligned with the case neck so it's off center, too. Proper full length sizing of bottle neck cases ensures the case neck's centered on the case shoulder.</p></blockquote><p></p>
[QUOTE="Bart B, post: 651545, member: 5302"] If you're not setting a fired belted case shoulder back at all (or no more than a couple thousandths) when it's sized, the front of the cartridge centers perfectly in the chamber whether there's a "centering shoulder" or not. The firing pin driving the case shoulder hard into the matching chamber shoulder centers the round as well as the bullet perfectly. Any off-center the case neck has relative to the shoulder results in the case neck being off center in the chamber neck; the bullet's aligned with the case neck so it's off center, too. Proper full length sizing of bottle neck cases ensures the case neck's centered on the case shoulder. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Problem with deviation on my handloads
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