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Rifles, Reloading, Optics, Equipment
Reloading
What is acceptable variance in length?
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<blockquote data-quote="Gene" data-source="post: 869285" data-attributes="member: 7402"><p>Trimming a batch of brass to the same length to the thousandths is near impossible. I try to keep them about .005" less than SAMMI. But I have some trimmed much less than that. This can give you inconsistent bearing surface, i.e., more or less time the bullet is in the bore affecting rotational spin. The further back you trim the greater the chance of developing a carbon ring at the leade.</p></blockquote><p></p>
[QUOTE="Gene, post: 869285, member: 7402"] Trimming a batch of brass to the same length to the thousandths is near impossible. I try to keep them about .005" less than SAMMI. But I have some trimmed much less than that. This can give you inconsistent bearing surface, i.e., more or less time the bullet is in the bore affecting rotational spin. The further back you trim the greater the chance of developing a carbon ring at the leade. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What is acceptable variance in length?
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