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Rifles, Reloading, Optics, Equipment
Reloading
Finding Jam - I thought I knew how
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<blockquote data-quote="QuietTexan" data-source="post: 2070598" data-attributes="member: 116181"><p>In general case length shouldn't matter as long as you are in the trim range, generally speaking 0.015" less than SAAMI max length, up to the max length. If the case isn't over length, it shouldn't matter for measuring purposes. But you aren't using a cut in the neck though... so in your particular case it might cause a different in seating pressure as the bullet engages the lands and create an inconsistency. Have you tried measuring with the relief cut?</p><p></p><p>You said you were using sized cases so the base to shoulder should be consistent, so there shouldn't be a variance from headspace.</p><p></p><p>Overall cartridge length variance is more a product of inconsistent meplat or ballitic tip shape/length than inconsistent BTO in my experience. I don't typically even measure it. I do check bullet base to ogive for a couple bullets out of each box, but generally they're the same (inside a given lot) from a good manufacturer.</p><p></p><p>I only measure using one bullet, I save that bullet for later, and never shoot it.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2070598, member: 116181"] In general case length shouldn't matter as long as you are in the trim range, generally speaking 0.015" less than SAAMI max length, up to the max length. If the case isn't over length, it shouldn't matter for measuring purposes. But you aren't using a cut in the neck though... so in your particular case it might cause a different in seating pressure as the bullet engages the lands and create an inconsistency. Have you tried measuring with the relief cut? You said you were using sized cases so the base to shoulder should be consistent, so there shouldn't be a variance from headspace. Overall cartridge length variance is more a product of inconsistent meplat or ballitic tip shape/length than inconsistent BTO in my experience. I don't typically even measure it. I do check bullet base to ogive for a couple bullets out of each box, but generally they're the same (inside a given lot) from a good manufacturer. I only measure using one bullet, I save that bullet for later, and never shoot it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Finding Jam - I thought I knew how
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