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Rifles, Reloading, Optics, Equipment
Reloading
Bullets separating from cases in the action
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<blockquote data-quote="entoptics" data-source="post: 2007858" data-attributes="member: 104268"><p>I can't think of any mechanism to pull the bullet from the case when unloaded, except that the bullet is stuck into the lands, a burr, or a carbon ring in the throat. Are there any marks on the bullets that might indicate what's grabbing it?</p><p></p><p>Shrinkage is highly unlikely regarding neck tension. Ran a quick calc on engineering tool box, and 100° change in temp <em>might </em>shrink a 30 cal bullet by 0.0005", but the brass would also shrink by about 2/3 of that, which means the difference would only be about 0.0002 give or take. Not enough to affect neck tension regardless.</p></blockquote><p></p>
[QUOTE="entoptics, post: 2007858, member: 104268"] I can't think of any mechanism to pull the bullet from the case when unloaded, except that the bullet is stuck into the lands, a burr, or a carbon ring in the throat. Are there any marks on the bullets that might indicate what's grabbing it? Shrinkage is highly unlikely regarding neck tension. Ran a quick calc on engineering tool box, and 100° change in temp [I]might [/I]shrink a 30 cal bullet by 0.0005", but the brass would also shrink by about 2/3 of that, which means the difference would only be about 0.0002 give or take. Not enough to affect neck tension regardless. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Bullets separating from cases in the action
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