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Rifles, Reloading, Optics, Equipment
Reloading
Honing Die Necks
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<blockquote data-quote="Bart B" data-source="post: 495232" data-attributes="member: 5302"><p>The most accurate rifles I know of have their fired cases full length sized by such full length sizing dies with their necks lapped out which is what some folks did 50 years ago. Or with the modern full bushing dies by RCBS and Redding. And their barrels all have standard SAAMI dimension chambers in them. No tight chamber necks, throats, bodies etc.; not needed.</p><p></p><p>These super accurate rifles ain't benchrest ones, either.</p><p></p><p>All rimless bottleneck cases are well centered up front in the chamber when they're fired. And the back end of all cases is held against the chamber wall by the extractor pushing them that way. Doesn't matter if there's 1 or 3 thousandths clearance between the case body and chamber at the shoulder; centered is centered. Why? Simple. The firing pin drives the case forward slamming its shoulder into the chamber shoulder centering it, then the primer fires and the round fires.</p></blockquote><p></p>
[QUOTE="Bart B, post: 495232, member: 5302"] The most accurate rifles I know of have their fired cases full length sized by such full length sizing dies with their necks lapped out which is what some folks did 50 years ago. Or with the modern full bushing dies by RCBS and Redding. And their barrels all have standard SAAMI dimension chambers in them. No tight chamber necks, throats, bodies etc.; not needed. These super accurate rifles ain't benchrest ones, either. All rimless bottleneck cases are well centered up front in the chamber when they're fired. And the back end of all cases is held against the chamber wall by the extractor pushing them that way. Doesn't matter if there's 1 or 3 thousandths clearance between the case body and chamber at the shoulder; centered is centered. Why? Simple. The firing pin drives the case forward slamming its shoulder into the chamber shoulder centering it, then the primer fires and the round fires. [/QUOTE]
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Honing Die Necks
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