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Rifles, Reloading, Optics, Equipment
Reloading
Concentricity/Neck Turning/Culling Cases:
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<blockquote data-quote="ralphjunius" data-source="post: 1644874" data-attributes="member: 40280"><p>In my experience, my opinion is to full length resize all of it, load it all up (or at least ten rounds) with a mild load and shoot it bearing in mind the following details:</p><p></p><p></p><p>The key to fully and uniformly fireforming brass is that the bullets need to be loaded just touching the lands of the barrel to fix the round in the chamber. This eliminates slop with resultant uneven fireforming. However, loading to the lands increases pressure so you must first go to the range and determine a safe load in the usual way with bullets loaded touching the lands. Please note, all published max and near max loads will virtually always be an over pressure, dangerous type load if the bullets are loaded to the lands.</p><p></p><p>After that neck size the brass without an expander button, trim to length, uniform primer pockets and clean up primer pocket holes. After that you can cull based upon weight, concentrically and variation in neck thickness as you wish.</p><p></p><p>After that, you can turn the necks if you like. For a factory hunting rifle, I suggest that you set the blade by trial and error so that only about two thirds of the neck is actually cut. Too thin necks cause other problems, especially with a factory rifle.</p><p></p><p></p><p>By that time you can be sure the brass is as good as it can be and the only other variables, which of course are huge, are the rifle itself and your ability to develop a good load with dies and equipment that produce reasonably uniform and concentric rounds.</p><p></p><p></p><p>I</p></blockquote><p></p>
[QUOTE="ralphjunius, post: 1644874, member: 40280"] In my experience, my opinion is to full length resize all of it, load it all up (or at least ten rounds) with a mild load and shoot it bearing in mind the following details: The key to fully and uniformly fireforming brass is that the bullets need to be loaded just touching the lands of the barrel to fix the round in the chamber. This eliminates slop with resultant uneven fireforming. However, loading to the lands increases pressure so you must first go to the range and determine a safe load in the usual way with bullets loaded touching the lands. Please note, all published max and near max loads will virtually always be an over pressure, dangerous type load if the bullets are loaded to the lands. After that neck size the brass without an expander button, trim to length, uniform primer pockets and clean up primer pocket holes. After that you can cull based upon weight, concentrically and variation in neck thickness as you wish. After that, you can turn the necks if you like. For a factory hunting rifle, I suggest that you set the blade by trial and error so that only about two thirds of the neck is actually cut. Too thin necks cause other problems, especially with a factory rifle. By that time you can be sure the brass is as good as it can be and the only other variables, which of course are huge, are the rifle itself and your ability to develop a good load with dies and equipment that produce reasonably uniform and concentric rounds. I [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Concentricity/Neck Turning/Culling Cases:
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