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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
223 Rem. neck expansion?
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<blockquote data-quote="nbnico" data-source="post: 26714" data-attributes="member: 1213"><p>Jay, just something to think about. The first time I fire new brass I seat the bullets hard into the lands and use a starting load of a medium burning rate powder for that cartridge. I feel this gives me very straight cases and helps form them to my particular chamber. After words I neck size them until they fit the chamber too tight and then use the full lenght die to just bump the shoulder. Using this method I have been able to keep the runout on my resized cases at .001" or less. Of course if your chamber isn't straight to begin with, not much will help. That's why I love my Sinclair concentricity guage. If there is a problem it helps me find where it's coming from. I have a 700VS in 223 also and love it!</p><p>Brian</p></blockquote><p></p>
[QUOTE="nbnico, post: 26714, member: 1213"] Jay, just something to think about. The first time I fire new brass I seat the bullets hard into the lands and use a starting load of a medium burning rate powder for that cartridge. I feel this gives me very straight cases and helps form them to my particular chamber. After words I neck size them until they fit the chamber too tight and then use the full lenght die to just bump the shoulder. Using this method I have been able to keep the runout on my resized cases at .001" or less. Of course if your chamber isn't straight to begin with, not much will help. That's why I love my Sinclair concentricity guage. If there is a problem it helps me find where it's coming from. I have a 700VS in 223 also and love it! Brian [/QUOTE]
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223 Rem. neck expansion?
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