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Rifles, Reloading, Optics, Equipment
Reloading
Does case length effect accuracy?
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<blockquote data-quote="MagnumManiac" data-source="post: 2869081" data-attributes="member: 10755"><p>I will say this, unless your brass length is beyond .040" longer than listed maximum length, you are no where near the chamber end of your barrel. Safety limits run between .030" (shortest) to .050" (longest) and the average across many chamber designs is .040".</p><p>If you believe this, look at chamber prints. I run my brass SAFELY at .010" shorter than chamber end, which is generally .030" longer than max case length, never had an issue doing this.</p><p>A chamber length gauge is a very useful tool…</p><p></p><p>Cheers.</p><p>P.S.</p><p>A brass neck often expands more on one side than the other, even if you neck turn…so, you MUST address this by moving the neck in ANY direction by the smallest amount possible. I aim for a maximum of .0015" and allow for .0005" spring back. That is both expanding and sizing the neck in total. My runout is barely readable.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2869081, member: 10755"] I will say this, unless your brass length is beyond .040” longer than listed maximum length, you are no where near the chamber end of your barrel. Safety limits run between .030” (shortest) to .050” (longest) and the average across many chamber designs is .040”. If you believe this, look at chamber prints. I run my brass SAFELY at .010” shorter than chamber end, which is generally .030” longer than max case length, never had an issue doing this. A chamber length gauge is a very useful tool… Cheers. P.S. A brass neck often expands more on one side than the other, even if you neck turn…so, you MUST address this by moving the neck in ANY direction by the smallest amount possible. I aim for a maximum of .0015” and allow for .0005” spring back. That is both expanding and sizing the neck in total. My runout is barely readable. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Does case length effect accuracy?
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