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So if you were going to reload for accuracy, what order of operations would you use? Clean, FL size, polish, chamfer/debur, reload and after that just neck size and hand polish the brass until it needs to be FL sized again?
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here is the routine which seems to work really well for me at least. Milage may vary
on new cases I full length resize, make sure the necks are square and a consistent length, chamfer inside and out, primer flash holes are deburred and primer pockets are uniform. After the first firing the first thing I do is run a neck reamer through mine which is a debatable technique. Even on Lapua the neck walls sometimes seem to be off by .001 or so on some cases or have a bit of a doughnut.
after the second firing on I just clean with a paper towel, check neck length, trim and chamfer if necessary, wipe down the necks with some neverdull to remove any carbon, necksize and I have just recently started to clean the primer pockets after every firing.
the key to accurate ammo is a consistent ignition, consistent powder charge, and consistent neck tension. After loading I always check runout on a concentricity tool and tweak to plus to minus .001 or less