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Long Range Hunting & Shooting
1000 yds...Next step?
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<blockquote data-quote="Bart B" data-source="post: 659470" data-attributes="member: 5302"><p>If one knows how to measure the case neck/bullet alignment with the bore with both sizing methods and can do it, they'll see the difference. I've done it and I was surprised but the proof's in the pudding (measurement?). Has anybody out there actually measured how both sizing methods position case necks in the chamber relative to the bore axis? If not, then I think you're guessing and/or assuming. I guess and assumed years ago, then a 'smith showed me how to actually measure it.</p><p></p><p>That link to all the comparisons between full length and neck only is easily trumped by Sierra Bullets decades old sizing of all their cases used to test their bullets for accuracy in super accurate rail guns. They only properly full length size. Thousands of rounds every year in all calibers. That aside, I know that if a fired case shoulder's set back too far and the neck's bent by an expander ball, such techniques for full length sizing will give way to neck only. One should set shoulders back no more than 2 thousandths and use bushing dies a couple thosandths smaller than loaded round neck diameters. What the details are of those tests are not known, so such comparisons are meaningless.</p></blockquote><p></p>
[QUOTE="Bart B, post: 659470, member: 5302"] If one knows how to measure the case neck/bullet alignment with the bore with both sizing methods and can do it, they'll see the difference. I've done it and I was surprised but the proof's in the pudding (measurement?). Has anybody out there actually measured how both sizing methods position case necks in the chamber relative to the bore axis? If not, then I think you're guessing and/or assuming. I guess and assumed years ago, then a 'smith showed me how to actually measure it. That link to all the comparisons between full length and neck only is easily trumped by Sierra Bullets decades old sizing of all their cases used to test their bullets for accuracy in super accurate rail guns. They only properly full length size. Thousands of rounds every year in all calibers. That aside, I know that if a fired case shoulder's set back too far and the neck's bent by an expander ball, such techniques for full length sizing will give way to neck only. One should set shoulders back no more than 2 thousandths and use bushing dies a couple thosandths smaller than loaded round neck diameters. What the details are of those tests are not known, so such comparisons are meaningless. [/QUOTE]
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1000 yds...Next step?
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