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Rifles, Reloading, Optics, Equipment
Reloading
Bullet jump vs throat erosion
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<blockquote data-quote="YZ-80" data-source="post: 1909019" data-attributes="member: 109229"><p>I don't know what to say about this one. It is an interesting thought. I'm guessing that ogive profile (secant vs. tangent) could theoretically have an effect. I've been loading Nosler 115 BTs in my Cooper .25-06 for 10 years, and I still am. I've lost 34 thousandths off the throat and I'm chasing it but the gun remains .5 MOA 10 years later. It would seem that a longer "jump" would impact the lands with more force at a given charge and maybe accelerate erosion. That said, as erosion occurs, maybe switching to a different ogive profile (fatter, perhaps) would result in better engagement of the rifling as things wear. I don't know. But it's an interesting thing to ponder as I wait for varmints on this beautiful Labor Day weekend evening.[ATTACH=full]195262[/ATTACH]</p></blockquote><p></p>
[QUOTE="YZ-80, post: 1909019, member: 109229"] I don’t know what to say about this one. It is an interesting thought. I’m guessing that ogive profile (secant vs. tangent) could theoretically have an effect. I’ve been loading Nosler 115 BTs in my Cooper .25-06 for 10 years, and I still am. I’ve lost 34 thousandths off the throat and I’m chasing it but the gun remains .5 MOA 10 years later. It would seem that a longer “jump” would impact the lands with more force at a given charge and maybe accelerate erosion. That said, as erosion occurs, maybe switching to a different ogive profile (fatter, perhaps) would result in better engagement of the rifling as things wear. I don’t know. But it’s an interesting thing to ponder as I wait for varmints on this beautiful Labor Day weekend evening.[ATTACH type="full" alt="66E52D61-BEDC-4F7D-87DA-4C84C344804D.jpeg"]195262[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Bullet jump vs throat erosion
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