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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: 838542" data-attributes="member: 5302"><p>I know all that.</p><p></p><p>But I don't think you quite understand that any bottleneck case headspacing on its shoulder has its shoulder hard against the chamber shoulder when the round fires. And it's held there while the case expands pushing the back part of the case against the breech face. Proof's seen by powder residue typically showing up on case necks, but not on the case shoulder.</p><p></p><p>Therefore, such shoulders are not blown forward as you say. And I explained why in one or two sentences.</p><p></p><p>But I used to think that way years ago until a 'smith showed and told me how to find out for sure.</p></blockquote><p></p>
[QUOTE="Bart B, post: 838542, member: 5302"] I know all that. But I don't think you quite understand that any bottleneck case headspacing on its shoulder has its shoulder hard against the chamber shoulder when the round fires. And it's held there while the case expands pushing the back part of the case against the breech face. Proof's seen by powder residue typically showing up on case necks, but not on the case shoulder. Therefore, such shoulders are not blown forward as you say. And I explained why in one or two sentences. But I used to think that way years ago until a 'smith showed and told me how to find out for sure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Polishing a body die?
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