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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why would OACL Change?
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<blockquote data-quote="BountyHunter" data-source="post: 1020459" data-attributes="member: 12"><p>If you do not have a comparator you are just chasing your tail and getting frustrated. IMO you have no way to accurately measure where you are on the lands. You have to learn how to measure the bulls AND have the tools to do it first.</p><p> Plus IF it is a magazine gun load to Max COAL for the magazine and work from there.</p><p>FWIW I have seen .017 variance in ogive one box of bullets before Sierra started new procedures. Measuring tips could easily account for what you are seeing. </p><p> I just toured their factory in September and now only one operator and one machine make each lot. They have upped the QC bigtime.</p><p></p><p>Slow down get a comparator and remeasure everything.</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 1020459, member: 12"] If you do not have a comparator you are just chasing your tail and getting frustrated. IMO you have no way to accurately measure where you are on the lands. You have to learn how to measure the bulls AND have the tools to do it first. Plus IF it is a magazine gun load to Max COAL for the magazine and work from there. FWIW I have seen .017 variance in ogive one box of bullets before Sierra started new procedures. Measuring tips could easily account for what you are seeing. I just toured their factory in September and now only one operator and one machine make each lot. They have upped the QC bigtime. Slow down get a comparator and remeasure everything. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Why would OACL Change?
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