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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Case Runout
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<blockquote data-quote="AJ300MAG" data-source="post: 24132" data-attributes="member: 444"><p>Brent, when I turn my necks I use the Sinclair tool . You have to use a special arbor to open up the necks so they are a tight slip fit on the turning arbor. Yea, it's a lot of work but you only have to do it once. I also tried to turn the necks to the point that when you ran them thru the sizing die, the die would compress them down to where the expander ball wouldn't open them back up. I didn't see any difference in accuracy between the two methods I tried. The only thing that bugged me was that gas was getting around the neck, the shoulder still sealed the chamber. Everything I've read seems to be that you want less than .002" total bullet runout for best accuracy out past 200 yards. I'm kinda picky with my loads. I can't blame the rifle when I miss, It's usualy the jerk behind the trigger. I guess it what your expectations for accuracy are to how much work you put into your loads. Mabey you could find a machinist who could make you a pilot for your trimmer. I haven't see a Foster, I make my own for my RCBS case trimmer.</p></blockquote><p></p>
[QUOTE="AJ300MAG, post: 24132, member: 444"] Brent, when I turn my necks I use the Sinclair tool . You have to use a special arbor to open up the necks so they are a tight slip fit on the turning arbor. Yea, it's a lot of work but you only have to do it once. I also tried to turn the necks to the point that when you ran them thru the sizing die, the die would compress them down to where the expander ball wouldn't open them back up. I didn't see any difference in accuracy between the two methods I tried. The only thing that bugged me was that gas was getting around the neck, the shoulder still sealed the chamber. Everything I've read seems to be that you want less than .002" total bullet runout for best accuracy out past 200 yards. I'm kinda picky with my loads. I can't blame the rifle when I miss, It's usualy the jerk behind the trigger. I guess it what your expectations for accuracy are to how much work you put into your loads. Mabey you could find a machinist who could make you a pilot for your trimmer. I haven't see a Foster, I make my own for my RCBS case trimmer. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Case Runout
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