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Rifles, Reloading, Optics, Equipment
Reloading
Annealing winchester 300WSM brass.
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<blockquote data-quote="Centre Punch" data-source="post: 58057" data-attributes="member: 3048"><p>Brent,</p><p>Thanks for that invaluable information. I was aware of this cutter/mandrel,but thought its application was for use with brass which had many reloads and was starting to form doughnuts from constant neck sizing. I had never experienced this problem with new brass before,even with my 6mm PPC( formed from Lapua 220 russian cases) which had been neck sized many times. Could it be somthing to do with the steep shoulder angle,maybe? I may dump this batch of brass,because of the annealling it has lost its spring back when sized in a .333" bushing (.002" under loaded round diametre,after turning) it stays at .331", /ubbthreads/images/graemlins/frown.gif (fired brass measures.344",so you can see it gets squashed down quite a bit. I've tried a .335" dia bushing and gives satisfactory case neck tension, but i'm not happy. A cutter/mandrel was ordered this morning and i am curious to see if the same thing with my next batch of brass. and if it does i will be prepared. /ubbthreads/images/graemlins/smile.gif </p><p></p><p>Merry Christmas.</p></blockquote><p></p>
[QUOTE="Centre Punch, post: 58057, member: 3048"] Brent, Thanks for that invaluable information. I was aware of this cutter/mandrel,but thought its application was for use with brass which had many reloads and was starting to form doughnuts from constant neck sizing. I had never experienced this problem with new brass before,even with my 6mm PPC( formed from Lapua 220 russian cases) which had been neck sized many times. Could it be somthing to do with the steep shoulder angle,maybe? I may dump this batch of brass,because of the annealling it has lost its spring back when sized in a .333" bushing (.002" under loaded round diametre,after turning) it stays at .331", [img]/ubbthreads/images/graemlins/frown.gif[/img] (fired brass measures.344",so you can see it gets squashed down quite a bit. I've tried a .335" dia bushing and gives satisfactory case neck tension, but i'm not happy. A cutter/mandrel was ordered this morning and i am curious to see if the same thing with my next batch of brass. and if it does i will be prepared. [img]/ubbthreads/images/graemlins/smile.gif[/img] Merry Christmas. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Annealing winchester 300WSM brass.
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