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The Range
Ammo & Reloading
projectile seating depth
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<blockquote data-quote="NikatKimber" data-source="post: 1496838" data-attributes="member: 423"><p>case bulge and the "glock effect" are related. Setback is not. Setback occurs if the bullet is not held tight enough by the case mouth, resulting in the bullet being "set back" into the case when feeding from the magazine to the chamber. This IS a serious issue, and it decreases the amount of volume inside the case for the same amount of powder.</p><p></p><p>Is your <strong>maximum</strong> length 0.005" longer than your <strong>minimum</strong> length? If so, your actual tolerance is +/- 0.0025; which is not bad at all. If some of them are 0.005" longer than what you're aiming for, and some are 0.005" shorter (0.010" total variation), then you might start looking to see if you can find the cause.</p></blockquote><p></p>
[QUOTE="NikatKimber, post: 1496838, member: 423"] case bulge and the "glock effect" are related. Setback is not. Setback occurs if the bullet is not held tight enough by the case mouth, resulting in the bullet being "set back" into the case when feeding from the magazine to the chamber. This IS a serious issue, and it decreases the amount of volume inside the case for the same amount of powder. Is your [B]maximum[/B] length 0.005" longer than your [B]minimum[/B] length? If so, your actual tolerance is +/- 0.0025; which is not bad at all. If some of them are 0.005" longer than what you're aiming for, and some are 0.005" shorter (0.010" total variation), then you might start looking to see if you can find the cause. [/QUOTE]
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