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Rifles, Reloading, Optics, Equipment
Reloading
Using a 6.5x55 Mauser Lee Neck Collet Die for 6.5x284 Norma
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<blockquote data-quote="cdherman" data-source="post: 1871673" data-attributes="member: 12282"><p>For the ultimate in accuracy, sure, but along with a tight neck reamer. Quality brass with pretty uniform necks is close enough (per a lot of discussion over several sites and years). I use the Redding bushing to neck size and drop the shoulder back a couple thou. Then I use the mandrel to make sure the neck tension is consistent across all the brass. Easier than turning all my brass. The mandrel puts the variation in neck thickness, to the extent that there is some always, on the "outside" if that makes sense. Oh, and I try to avoid cleaning my brass too often, because powder residue is more consistent than squeaky clean brass, and I use graphite to lube the inside of the necks before the mandrel, so that I don't have to clean out any lube before loading.</p><p></p><p>Variation in neck thickness is the Achilles heel of bushing neck sizing. The variation gets pushed to the "inside" and thus, if the necks have a lot of variation, you will get variation in neck tension. I read a lot and I've come to agree that variation in neck tension plays a HUGE role in accuracy.</p><p></p><p>Or so is my opinion. I don't always get the accuracy I'd like either, though I'm decent. I think some of my limitations have to do with where I shoot and the guy pulling the trigger.......</p></blockquote><p></p>
[QUOTE="cdherman, post: 1871673, member: 12282"] For the ultimate in accuracy, sure, but along with a tight neck reamer. Quality brass with pretty uniform necks is close enough (per a lot of discussion over several sites and years). I use the Redding bushing to neck size and drop the shoulder back a couple thou. Then I use the mandrel to make sure the neck tension is consistent across all the brass. Easier than turning all my brass. The mandrel puts the variation in neck thickness, to the extent that there is some always, on the "outside" if that makes sense. Oh, and I try to avoid cleaning my brass too often, because powder residue is more consistent than squeaky clean brass, and I use graphite to lube the inside of the necks before the mandrel, so that I don't have to clean out any lube before loading. Variation in neck thickness is the Achilles heel of bushing neck sizing. The variation gets pushed to the "inside" and thus, if the necks have a lot of variation, you will get variation in neck tension. I read a lot and I've come to agree that variation in neck tension plays a HUGE role in accuracy. Or so is my opinion. I don't always get the accuracy I'd like either, though I'm decent. I think some of my limitations have to do with where I shoot and the guy pulling the trigger....... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Using a 6.5x55 Mauser Lee Neck Collet Die for 6.5x284 Norma
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