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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
260 AI help
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<blockquote data-quote="Mikecr" data-source="post: 2026858" data-attributes="member: 1521"><p>Bump only when you need to, trim only when you need to. YOUR chamber establishes this.</p><p>The necks will pull back with shoulder improvement, so if you trim before needed your chamber end clearance will be excessive. Unless you do a deep body dip anneal beforehand, you should not need to bump for at least several firings. It's important to reach this actual point so that you know that you're not bumping to excess head spacing.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2026858, member: 1521"] Bump only when you need to, trim only when you need to. YOUR chamber establishes this. The necks will pull back with shoulder improvement, so if you trim before needed your chamber end clearance will be excessive. Unless you do a deep body dip anneal beforehand, you should not need to bump for at least several firings. It's important to reach this actual point so that you know that you're not bumping to excess head spacing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
260 AI help
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