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Rifles, Reloading, Optics, Equipment
Reloading
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<blockquote data-quote="Bart B" data-source="post: 737702" data-attributes="member: 5302"><p>Who declared that case centering thing unqualified? Someone unqualified to do so, in my opinion. Here's why.</p><p></p><p>I've taken the firing pin, extractors and ejectors out of the bolts/actions on .222 Rem,. .22-250 (case the 6XC is based on but shorter than), .243 Win., .270 Win. 7x57 Mauser. .300 Savage, .308 Win., .30-06, 8x57 Mauser and other primed cases to see what happens when they're chambered in rifles with the barrel pointing straight up. There's no external forces anywhere on the case except gravity. Coating the case shoulders with machinist's dye, letting it dry then chambering those cases with a few thousandths of head clearance, then opening the bolt to inspect them, none had any touch marks on their shoulders; they had clearance at the shoulder when chambered. Chambering those cases then pushing them forward with the firing pin until they stopped against the chamber shoulder, they all had contact marks all the way around. If they didn't center perfectly in the chamber shoulder, they wouldn't have contact marks all the way around.</p><p></p><p>I therefore declare your "ejector plunger and re-headspacing on firing is a myth, because it's declared unqualified" comment one based on ignorance. Be careful on how you respond to this.</p><p></p><p>Extractors often push case heads off center against the chamber wall at the pressure ring point on the case; the back end of such cases are always off center in the chamber. And in line ejectors force axis is parallel with the chamber axis so whatever off center thing they do with loaded rouns ain't very much. </p><p></p><p>Again, another premis based on ignorance. Glad to see you admitted your error in reasoning. I've done that myself a few times, then jumped into the world or reality with real things and got informed.</p><p></p><p>It's OK to be ignorant about something then get cured by being better informed about it. Just stay far, far away from dumb and stupid; these two are nye impossible to cure.</p></blockquote><p></p>
[QUOTE="Bart B, post: 737702, member: 5302"] Who declared that case centering thing unqualified? Someone unqualified to do so, in my opinion. Here's why. I've taken the firing pin, extractors and ejectors out of the bolts/actions on .222 Rem,. .22-250 (case the 6XC is based on but shorter than), .243 Win., .270 Win. 7x57 Mauser. .300 Savage, .308 Win., .30-06, 8x57 Mauser and other primed cases to see what happens when they're chambered in rifles with the barrel pointing straight up. There's no external forces anywhere on the case except gravity. Coating the case shoulders with machinist's dye, letting it dry then chambering those cases with a few thousandths of head clearance, then opening the bolt to inspect them, none had any touch marks on their shoulders; they had clearance at the shoulder when chambered. Chambering those cases then pushing them forward with the firing pin until they stopped against the chamber shoulder, they all had contact marks all the way around. If they didn't center perfectly in the chamber shoulder, they wouldn't have contact marks all the way around. I therefore declare your "ejector plunger and re-headspacing on firing is a myth, because it's declared unqualified" comment one based on ignorance. Be careful on how you respond to this. Extractors often push case heads off center against the chamber wall at the pressure ring point on the case; the back end of such cases are always off center in the chamber. And in line ejectors force axis is parallel with the chamber axis so whatever off center thing they do with loaded rouns ain't very much. Again, another premis based on ignorance. Glad to see you admitted your error in reasoning. I've done that myself a few times, then jumped into the world or reality with real things and got informed. It's OK to be ignorant about something then get cured by being better informed about it. Just stay far, far away from dumb and stupid; these two are nye impossible to cure. [/QUOTE]
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