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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Fast and slow barrels (or is it chambers)?
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<blockquote data-quote="Tailgunner" data-source="post: 36498" data-attributes="member: 606"><p>Dave</p><p>Another variable not often thought of is the throat/freebore area of the chamber.</p><p>Had one that was .004 (yep, 4 thou) over bullet diameter, 30-06 26" MV was 2725.</p><p>Shortend the barrel 1" and recut the chamber/throat to "min Sammi" and the MV went to 2950 with the same lot of reloads.</p></blockquote><p></p>
[QUOTE="Tailgunner, post: 36498, member: 606"] Dave Another variable not often thought of is the throat/freebore area of the chamber. Had one that was .004 (yep, 4 thou) over bullet diameter, 30-06 26" MV was 2725. Shortend the barrel 1" and recut the chamber/throat to "min Sammi" and the MV went to 2950 with the same lot of reloads. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Fast and slow barrels (or is it chambers)?
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