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Rifles, Reloading, Optics, Equipment
Reloading
Neck Sizing
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<blockquote data-quote="Bart B" data-source="post: 828461" data-attributes="member: 5302"><p>Most folks don't. I knew you would post such a comment. If your stuff does something else, fine. But I know what my stuff, as well as that of many others, does. So be a nice boy and take your rant off to someone else.</p><p> </p><p>No, not any measurable amount. They're already pretty darned straight with no more than .002" runout. The ammo shoots as good as anybody's with that much runout.</p><p></p><p>It happens in all the modern Remington, Winchester, and a host of other actions I've used measuring shoulder setback on .308 Win. cases. .30-06 ones and those sub caliber wildcats on it set back more so. And all with factory spec firing pin springs. Many folks have challenged my comments regarding this only to do their own tests then learn I was right. </p><p>Not in my measurements is it bad for centering. Besides, it's repeatable from round to round as is the extractor's sideways push putting the case pressure ring against the chamber wall opposite it.</p><p></p><p>My extractors are fitted well enough to do their job and there's a few thousandths clearance between their lip edge and the bolt face when the rounds are chambered; both with external Mauser style as well as the sliding ones on the bolt face in front of a locking lug. This lets the case move forward from firing pin impact without interference from the extractors. I've measured the clearance with micrometers. It varies with case rim thickness.</p></blockquote><p></p>
[QUOTE="Bart B, post: 828461, member: 5302"] Most folks don't. I knew you would post such a comment. If your stuff does something else, fine. But I know what my stuff, as well as that of many others, does. So be a nice boy and take your rant off to someone else. No, not any measurable amount. They're already pretty darned straight with no more than .002" runout. The ammo shoots as good as anybody's with that much runout. It happens in all the modern Remington, Winchester, and a host of other actions I've used measuring shoulder setback on .308 Win. cases. .30-06 ones and those sub caliber wildcats on it set back more so. And all with factory spec firing pin springs. Many folks have challenged my comments regarding this only to do their own tests then learn I was right. Not in my measurements is it bad for centering. Besides, it's repeatable from round to round as is the extractor's sideways push putting the case pressure ring against the chamber wall opposite it. My extractors are fitted well enough to do their job and there's a few thousandths clearance between their lip edge and the bolt face when the rounds are chambered; both with external Mauser style as well as the sliding ones on the bolt face in front of a locking lug. This lets the case move forward from firing pin impact without interference from the extractors. I've measured the clearance with micrometers. It varies with case rim thickness. [/QUOTE]
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