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Rifles, Reloading, Optics, Equipment
Reloading
Virgin brass vs. fire formed
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<blockquote data-quote="J E Custom" data-source="post: 316993" data-attributes="member: 2736"><p>There will always be the exception and some virgin brass will shoot great groups as long</p><p>as you have a tight chamber.</p><p></p><p>I prefer a very tight chamber for many reasons and one is longer brass life.</p><p></p><p>If the new/virgin brass fits well and has been prepped well it should do fine.I like to</p><p>neck turn before I fire it the first time because the chamber is the most concentric</p><p>place to form the brass near perfect and if you use brass that has a difference as much</p><p>as jrob mentioned when it is fired it will cause the cases to be eccentric from then on.</p><p></p><p>I hunt and shoot long range and if I'm going to enter a match or go on a hunt I prefer to</p><p>use once fired brass to make my loads because it is proven and fits my chamber perfect.</p><p></p><p>It may not be nessary but I feel it does make a deference and confidence all ways helps.</p><p></p><p>The method I use is =Weight sort in .5gr batches after sizing,trimming,deburring the primer </p><p>flash hole and out side neck turning and then load test in the new brass and if it is very</p><p>accurate I will use it for short to mid range matches and hunting and then load the once </p><p>fired brass that was used for testing and short range use to load my long range loads.</p><p></p><p>If your chamber is a factory chamber then chances are that it is very loose because they</p><p>chamber this way so that it will take any ammo with out feeding problems. and these </p><p>loose chambers should be fire formed and sized only enough to be chambered again. </p><p></p><p>I don't know if I helped you any but this is long range hunting/shooting and any small</p><p>advantage should be used if possible to improve the outcome of a long shot.</p><p></p><p>Just my opinion for what it's worth.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 316993, member: 2736"] There will always be the exception and some virgin brass will shoot great groups as long as you have a tight chamber. I prefer a very tight chamber for many reasons and one is longer brass life. If the new/virgin brass fits well and has been prepped well it should do fine.I like to neck turn before I fire it the first time because the chamber is the most concentric place to form the brass near perfect and if you use brass that has a difference as much as jrob mentioned when it is fired it will cause the cases to be eccentric from then on. I hunt and shoot long range and if I'm going to enter a match or go on a hunt I prefer to use once fired brass to make my loads because it is proven and fits my chamber perfect. It may not be nessary but I feel it does make a deference and confidence all ways helps. The method I use is =Weight sort in .5gr batches after sizing,trimming,deburring the primer flash hole and out side neck turning and then load test in the new brass and if it is very accurate I will use it for short to mid range matches and hunting and then load the once fired brass that was used for testing and short range use to load my long range loads. If your chamber is a factory chamber then chances are that it is very loose because they chamber this way so that it will take any ammo with out feeding problems. and these loose chambers should be fire formed and sized only enough to be chambered again. I don't know if I helped you any but this is long range hunting/shooting and any small advantage should be used if possible to improve the outcome of a long shot. Just my opinion for what it's worth. J E CUSTOM [/QUOTE]
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Reloading
Virgin brass vs. fire formed
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