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Rifles, Reloading, Optics, Equipment
Reloading
Excessive bullet run out. How to remedy?
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<blockquote data-quote="FUBAR" data-source="post: 672868" data-attributes="member: 47748"><p>As stated, in many, many words, "concentricity gauge" used in hand loading is a misnomer for the most part.</p><p></p><p>Just look up a machine concentricity gauge, the cost for a basic one is very high and they go up from their. They check x,y and z based on an objects center line...And if we did this level of quality control in hand loading, we would also have to make sure the case head is perfectly squared!</p><p></p><p>What most of us do, in simple terms, is check the "roundness" of the neck. </p><p></p><p>On my work I know where my runout is introduced, for me the biggest problem is with a couple of dies....</p><p></p><p>If one is really checking to an extreme level, like .000020, then they need extreme equipment, and I would think the round needs to be locked in the bolt at the very least, and really it needs to be in full battery!</p><p></p><p>But of course the above is just my take on the subject....</p></blockquote><p></p>
[QUOTE="FUBAR, post: 672868, member: 47748"] As stated, in many, many words, "concentricity gauge" used in hand loading is a misnomer for the most part. Just look up a machine concentricity gauge, the cost for a basic one is very high and they go up from their. They check x,y and z based on an objects center line...And if we did this level of quality control in hand loading, we would also have to make sure the case head is perfectly squared! What most of us do, in simple terms, is check the "roundness" of the neck. On my work I know where my runout is introduced, for me the biggest problem is with a couple of dies.... If one is really checking to an extreme level, like .000020, then they need extreme equipment, and I would think the round needs to be locked in the bolt at the very least, and really it needs to be in full battery! But of course the above is just my take on the subject.... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Excessive bullet run out. How to remedy?
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