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Rifles, Reloading, Optics, Equipment
Reloading
Body die + Lee collet die -> Full length sizing die 280 AI
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<blockquote data-quote="Savage 12BVSS" data-source="post: 1911610" data-attributes="member: 112413"><p>This answer may cause disagreement but I find rather I'm sizing to bump shoulder with benchrest FL die and then sizing with collet die or just neck sizing with collet die only I get between 1/2 and 1 thousandth's case neck runout either way. Its when I bullet seat with a benchrest sizer with the sleeve, even when turning cartridge several times as I complete seating stroke the TIR on loaded cartridge is 1/2-1 1/2 thousandth's taken at mid point on bullet. This means I have to adjust runout on about 40-50 percent of the loaded rounds to get all below one thousandth's TIR (this is my personal number I want all at). Hope I explained what you were asking me. Mandrel dies don't give me quite as good TIR numbers. I figure that mandrel in case neck with no support on case outside (like sinclair) vs lee collet die with mandrel in case neck and collet supporting the outside makes the lee produce cases with slightly less runout, I tried both and that was my experience. </p><p></p><p>But like said earlier in one of the posts.......whatever you are doing to get really good case neck and loaded cartridge runout ........keep doing it if it works for you. I'm a bit over the top on runout and spent quite a bit of time measuring and trying different techniques to accomplish my goals, several members on this site gave me some good ideas that I've combined to get where I'm at.</p></blockquote><p></p>
[QUOTE="Savage 12BVSS, post: 1911610, member: 112413"] This answer may cause disagreement but I find rather I'm sizing to bump shoulder with benchrest FL die and then sizing with collet die or just neck sizing with collet die only I get between 1/2 and 1 thousandth's case neck runout either way. Its when I bullet seat with a benchrest sizer with the sleeve, even when turning cartridge several times as I complete seating stroke the TIR on loaded cartridge is 1/2-1 1/2 thousandth's taken at mid point on bullet. This means I have to adjust runout on about 40-50 percent of the loaded rounds to get all below one thousandth's TIR (this is my personal number I want all at). Hope I explained what you were asking me. Mandrel dies don't give me quite as good TIR numbers. I figure that mandrel in case neck with no support on case outside (like sinclair) vs lee collet die with mandrel in case neck and collet supporting the outside makes the lee produce cases with slightly less runout, I tried both and that was my experience. But like said earlier in one of the posts.......whatever you are doing to get really good case neck and loaded cartridge runout ........keep doing it if it works for you. I'm a bit over the top on runout and spent quite a bit of time measuring and trying different techniques to accomplish my goals, several members on this site gave me some good ideas that I've combined to get where I'm at. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Body die + Lee collet die -> Full length sizing die 280 AI
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