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Rifles, Reloading, Optics, Equipment
Reloading
Quick Question reg. C.O.L.
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<blockquote data-quote="boomtube" data-source="post: 532444" data-attributes="member: 9215"><p>"...reload say 308 w/ 110g vmax, the book says col should be 2.74, "</p><p> </p><p>There is no "should be" about it, that OAL is simply what the book makers used when they developed their data. It's no more a law than the listed powder charges.</p><p> </p><p>IF you want to try seated close to the lands do your intial load development at that OAL. Simply seating closer to the lands with a load established seated deeper will surely raise pressures and we have no way of knowing how much. Seems most facory sporters do best from 20 to 35 thou off anyway.</p></blockquote><p></p>
[QUOTE="boomtube, post: 532444, member: 9215"] "...reload say 308 w/ 110g vmax, the book says col should be 2.74, " There is no "should be" about it, that OAL is simply what the book makers used when they developed their data. It's no more a law than the listed powder charges. IF you want to try seated close to the lands do your intial load development at that OAL. Simply seating closer to the lands with a load established seated deeper will surely raise pressures and we have no way of knowing how much. Seems most facory sporters do best from 20 to 35 thou off anyway. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Quick Question reg. C.O.L.
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