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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
243cal reloading need help
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<blockquote data-quote="daniel brothers" data-source="post: 674246" data-attributes="member: 23208"><p>IMO... seat them .020 off the lands... and do a OCW test... run of at least 15 rounds... loading 3 rounds each... starting near book Max and loading down .3 grains for each group of 3 rounds... and then start shooting first from your lowest charged group... working up... watching for pressure signs... while shooting each 3 round group at one target each... while shooting in a round robin sequence.... low to high... and then starting another round again.... it's the OCW system. Don't look for your best single group... but look for the best three groups that are together... then choose the center group's charge.. and then do it all over again with that same charge, but with different seating depths.... usually the closer to max.. the better they group.</p></blockquote><p></p>
[QUOTE="daniel brothers, post: 674246, member: 23208"] IMO... seat them .020 off the lands... and do a OCW test... run of at least 15 rounds... loading 3 rounds each... starting near book Max and loading down .3 grains for each group of 3 rounds... and then start shooting first from your lowest charged group... working up... watching for pressure signs... while shooting each 3 round group at one target each... while shooting in a round robin sequence.... low to high... and then starting another round again.... it's the OCW system. Don't look for your best single group... but look for the best three groups that are together... then choose the center group's charge.. and then do it all over again with that same charge, but with different seating depths.... usually the closer to max.. the better they group. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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243cal reloading need help
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