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Rifles, Reloading, Optics, Equipment
Reloading
How accurate should COL be?
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<blockquote data-quote="Gene" data-source="post: 557359" data-attributes="member: 7402"><p>Even the very best custom made bullets will have variance at the ogive. Major brand boxed bullets are even worse. Here is what I do: Bought a white poly loading block from Sinclair, then number each line on the side from one to ten. Also, bought a Davidson base and nose piece of each caliber I shoot. These are like the comparator, and attach to caliper jaws. </p><p></p><p>Set each bullet depth to about .005 or so above desired depth with these tools and note the appropriate line on my Redding competition seater. I seat each on ogive, and place it in the block on a line which is marked 1-10 thous above my desired depth. I do ten at a time. After I know how many thous over desired depth, I move the seater down a thou at a time with each new row, beginning with line marked 1 (.001") , until all are seated exactly the same. This does not work well with compressed loads, beacuse the tight powder column will push the bullets back up a few thous. This is time consuming, but it will give you very accurate loads.</p></blockquote><p></p>
[QUOTE="Gene, post: 557359, member: 7402"] Even the very best custom made bullets will have variance at the ogive. Major brand boxed bullets are even worse. Here is what I do: Bought a white poly loading block from Sinclair, then number each line on the side from one to ten. Also, bought a Davidson base and nose piece of each caliber I shoot. These are like the comparator, and attach to caliper jaws. Set each bullet depth to about .005 or so above desired depth with these tools and note the appropriate line on my Redding competition seater. I seat each on ogive, and place it in the block on a line which is marked 1-10 thous above my desired depth. I do ten at a time. After I know how many thous over desired depth, I move the seater down a thou at a time with each new row, beginning with line marked 1 (.001") , until all are seated exactly the same. This does not work well with compressed loads, beacuse the tight powder column will push the bullets back up a few thous. This is time consuming, but it will give you very accurate loads. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How accurate should COL be?
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