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Hunting
Long Range Hunting & Shooting
300 Ultra and 200 Accubond Results
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<blockquote data-quote="Moman" data-source="post: 355420" data-attributes="member: 10494"><p>Have you checked for concentricity? I have been doing quite a bit of testing my 300 RUM with Rem brass and have found a lot of runout. I'm still trying to nail it down but it's really looking like the brass has a lot to do with it. I'm using Forster and Redding Comp dies, but still lots of runout. The neck wall uniformity has been all over the place and I think this is leading to it.</p><p> </p><p> I had a good email conversaion with J.E. Custom regarding my troubles and he pointed me in this direction. It's something I used to pay more attention to but got used to Nosler and Norma brass in other calibers, so I got a little lazy. I was constantly getting the same groups and flyers you mention. I sorted my last loads by concnetricity and found the best three (ranging from .001 - .003) and grouped those. They shot a .25. I now know the problem but have some more measuring and checking to remedy it.</p></blockquote><p></p>
[QUOTE="Moman, post: 355420, member: 10494"] Have you checked for concentricity? I have been doing quite a bit of testing my 300 RUM with Rem brass and have found a lot of runout. I'm still trying to nail it down but it's really looking like the brass has a lot to do with it. I'm using Forster and Redding Comp dies, but still lots of runout. The neck wall uniformity has been all over the place and I think this is leading to it. I had a good email conversaion with J.E. Custom regarding my troubles and he pointed me in this direction. It's something I used to pay more attention to but got used to Nosler and Norma brass in other calibers, so I got a little lazy. I was constantly getting the same groups and flyers you mention. I sorted my last loads by concnetricity and found the best three (ranging from .001 - .003) and grouped those. They shot a .25. I now know the problem but have some more measuring and checking to remedy it. [/QUOTE]
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300 Ultra and 200 Accubond Results
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