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Rifles, Reloading, Optics, Equipment
Reloading
Polishing a body die?
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<blockquote data-quote="Bart B" data-source="post: 836914" data-attributes="member: 5302"><p>I don't think sizing fired case bodys 3/1000ths smaller in diameter is gonna cause any problems. A test with a Federal brass .308 Win. case full length sizing it down that much and setting the shoulder back a thousandth worked fine for 47 reloads on the same case with max loads. My 30 caliber magnum cases are full length sized that much and nary an issue whatsoever.</p><p></p><p>Bottleneck cases headspacing on their shoulders center perfectly in the chamber up front where it counts when fired regardless of how much clearance there is around the case. Their back end's pushed against the chamber wall by the extractor; this happens with virtually all chambered rounds anyway.</p><p></p><p>One could lap their die out a bit so cases aren't sized down too much, but I think it would take a rifle and ammo and marksman that shoots no worse than 2/10ths inch at a hundred to tell any difference.</p></blockquote><p></p>
[QUOTE="Bart B, post: 836914, member: 5302"] I don't think sizing fired case bodys 3/1000ths smaller in diameter is gonna cause any problems. A test with a Federal brass .308 Win. case full length sizing it down that much and setting the shoulder back a thousandth worked fine for 47 reloads on the same case with max loads. My 30 caliber magnum cases are full length sized that much and nary an issue whatsoever. Bottleneck cases headspacing on their shoulders center perfectly in the chamber up front where it counts when fired regardless of how much clearance there is around the case. Their back end's pushed against the chamber wall by the extractor; this happens with virtually all chambered rounds anyway. One could lap their die out a bit so cases aren't sized down too much, but I think it would take a rifle and ammo and marksman that shoots no worse than 2/10ths inch at a hundred to tell any difference. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Polishing a body die?
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