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Rifles, Reloading, Optics, Equipment
Reloading
Checking case wall runout
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<blockquote data-quote="Mikecr" data-source="post: 256224" data-attributes="member: 1521"><p>The brand of brass doesn't matter as perfect is just that, in any brand. But the number of jewels found will definitely vary lot to lot, and depending on cartridge. I use Lapua, Norma, and Winchester. Norma is always consistant-in lot, and Win brass for WSSM/WSM is great(just too thick). My standard for reference here is Lapua in 223 and 6br. </p><p></p><p>You can get a higher matched count by neck turning and capacity matching. Here, runout will grow with each sizing, but that might not affect you really. Depends on the cartridge(mostly length), thickness variance in your lots of brass, and system of stress relieving(anealing). And your brass might be whipped before runout ever becomes an issue anyway.</p><p></p><p>You must fully fireform brass before checking H20 capacity. Don't even try it with new, or sized brass. Don't bother weighing cases either(meaningless).</p><p>I stand each piece on a scale with a plastic golf tee into the flash hole. I zero the scale. Then I fill the case to the mouth using an eyedropper. I've been adding a small bit of alcohol to my water, and I touch any meniscus with a tissue corner to flatten things. I record each case and when complete, I discard those leaving the pack.</p><p>Now kept together, this brass is no longer any issue down the road. It's right.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 256224, member: 1521"] The brand of brass doesn't matter as perfect is just that, in any brand. But the number of jewels found will definitely vary lot to lot, and depending on cartridge. I use Lapua, Norma, and Winchester. Norma is always consistant-in lot, and Win brass for WSSM/WSM is great(just too thick). My standard for reference here is Lapua in 223 and 6br. You can get a higher matched count by neck turning and capacity matching. Here, runout will grow with each sizing, but that might not affect you really. Depends on the cartridge(mostly length), thickness variance in your lots of brass, and system of stress relieving(anealing). And your brass might be whipped before runout ever becomes an issue anyway. You must fully fireform brass before checking H20 capacity. Don't even try it with new, or sized brass. Don't bother weighing cases either(meaningless). I stand each piece on a scale with a plastic golf tee into the flash hole. I zero the scale. Then I fill the case to the mouth using an eyedropper. I've been adding a small bit of alcohol to my water, and I touch any meniscus with a tissue corner to flatten things. I record each case and when complete, I discard those leaving the pack. Now kept together, this brass is no longer any issue down the road. It's right. [/QUOTE]
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Reloading
Checking case wall runout
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