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velocity spreads
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<blockquote data-quote="J E Custom" data-source="post: 121229" data-attributes="member: 2736"><p>Screech</p><p></p><p>Poor Standard deviations are normaly load related not barrel</p><p>related.</p><p></p><p>Example;</p><p>Poor ignition caused from old primers or powder.</p><p>Some times the primer can be to hot.</p><p>If brass is getting old neck tension can vary from round</p><p>to round.It may need to be annealed.or replaced.</p><p></p><p>Also check freebore (bullet to rifle lands) if you are</p><p>real close some could touch and others not.</p><p></p><p>Some times the lock ring on your dies can move causing</p><p>this to change.</p><p></p><p>I hope this will help</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 121229, member: 2736"] Screech Poor Standard deviations are normaly load related not barrel related. Example; Poor ignition caused from old primers or powder. Some times the primer can be to hot. If brass is getting old neck tension can vary from round to round.It may need to be annealed.or replaced. Also check freebore (bullet to rifle lands) if you are real close some could touch and others not. Some times the lock ring on your dies can move causing this to change. I hope this will help J E CUSTOM [/QUOTE]
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