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Rifles, Reloading, Optics, Equipment
Reloading
Case Seperation 300 Ultra
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<blockquote data-quote="jakelly" data-source="post: 1280392" data-attributes="member: 26850"><p>Pistol brushes don't work well for this.</p><p></p><p>You want a brush that's just a bit oversized. 8mm or 338 would be good, bigger isn't better.</p><p></p><p>A 338 bore snake might be the bees knees, sounds good, but I've never tried it.</p><p></p><p>In regards to why it happened:</p><p>Starting with virgin brass?</p><p>How are you measuring the bump? What tools?</p><p>*Somewhere in your rifle or set-up you are getting excessive headspace*</p><p>Are you bumping based off a tight case or once fired case? If you are using a lower pressure load, firing the case once might not give you an accurate starting point. Like JE said neck size one piece and fire it a couple times until it chambers tight, now you've got a real starting point.</p></blockquote><p></p>
[QUOTE="jakelly, post: 1280392, member: 26850"] Pistol brushes don't work well for this. You want a brush that's just a bit oversized. 8mm or 338 would be good, bigger isn't better. A 338 bore snake might be the bees knees, sounds good, but I've never tried it. In regards to why it happened: Starting with virgin brass? How are you measuring the bump? What tools? *Somewhere in your rifle or set-up you are getting excessive headspace* Are you bumping based off a tight case or once fired case? If you are using a lower pressure load, firing the case once might not give you an accurate starting point. Like JE said neck size one piece and fire it a couple times until it chambers tight, now you've got a real starting point. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case Seperation 300 Ultra
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