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Rifles, Reloading, Optics, Equipment
Reloading
257 wby COAL with 110gr accubonds and 100gr barnes ttsx
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<blockquote data-quote="PddPdd" data-source="post: 2413097" data-attributes="member: 111799"><p>cb4128,</p><p></p><p>Do you have the tools (comparator & digital caliper) to measure the case base to bullet ogive measurement also called CBTO (case base to ogive)?</p><p></p><p>This is a more meaningful than COAL if you are trying to reload for accuracy as it accounts for bullet variations. and their affect on rifling engagement distance.</p><p></p><p>You control this distance with your bullet seating depth.</p><p></p><p>Sorry if I just shared information you are already familiar with.</p></blockquote><p></p>
[QUOTE="PddPdd, post: 2413097, member: 111799"] cb4128, Do you have the tools (comparator & digital caliper) to measure the case base to bullet ogive measurement also called CBTO (case base to ogive)? This is a more meaningful than COAL if you are trying to reload for accuracy as it accounts for bullet variations. and their affect on rifling engagement distance. You control this distance with your bullet seating depth. Sorry if I just shared information you are already familiar with. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
257 wby COAL with 110gr accubonds and 100gr barnes ttsx
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