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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Necking down cases ...
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<blockquote data-quote="Brent" data-source="post: 26619" data-attributes="member: 99"><p>I know S1 uses Newlon dies, I wonder if he hardens them after or uses them as is too. </p><p></p><p>Jim Cartensen said when he presses the sleeve into the FL dies he makes the sleeve is only case hardened first and is about .030" thick, I'm guessing only so it doesn't crush when pressed into the die. </p><p></p><p>He said if it were hardened all the way through it would swell the die body instead of slightly collapse the inserts ID. so it would minimally size the case body. </p><p></p><p>This is done using your finish chamber reamer, that's the reason for the insert for those that didn't know why one was used. </p><p></p><p>I use RCBS lube pad or Hornady Pro Shot spray on, mainly the spray on but the RCBS water soluble stuff is slightly slicker but the Hornady works perfect in my Reddings. Lube the crap out of the first couple and start with a clean die though, it'll be tight to start with until the lube builds up but it don't leave dents in the cases like the RCBS lube does.</p><p></p><p>Thanks for clarifying the case he was using there 4mesh. I think the thickness is about .020" tops, even if that, where his necks are getting brass from, even shortening it a whole bunch. The Rigby brass I have is .025" thick 1.0" up from the base and has tapered to .020" thick at 1.4" and is less than .016" at the shoulder. The Rigby case isn't even .030" thick until it's very near the web a 1/2 inch or so up and is almost identical to the Ultra Mag in thickness along the way in every respect. </p><p></p><p>Again, Ken may have already done what you are looking at. Barrowing some pieces to experiment with is a good idea. Probably get a handfull on the ground at the range. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Brent, post: 26619, member: 99"] I know S1 uses Newlon dies, I wonder if he hardens them after or uses them as is too. Jim Cartensen said when he presses the sleeve into the FL dies he makes the sleeve is only case hardened first and is about .030" thick, I'm guessing only so it doesn't crush when pressed into the die. He said if it were hardened all the way through it would swell the die body instead of slightly collapse the inserts ID. so it would minimally size the case body. This is done using your finish chamber reamer, that's the reason for the insert for those that didn't know why one was used. I use RCBS lube pad or Hornady Pro Shot spray on, mainly the spray on but the RCBS water soluble stuff is slightly slicker but the Hornady works perfect in my Reddings. Lube the crap out of the first couple and start with a clean die though, it'll be tight to start with until the lube builds up but it don't leave dents in the cases like the RCBS lube does. Thanks for clarifying the case he was using there 4mesh. I think the thickness is about .020" tops, even if that, where his necks are getting brass from, even shortening it a whole bunch. The Rigby brass I have is .025" thick 1.0" up from the base and has tapered to .020" thick at 1.4" and is less than .016" at the shoulder. The Rigby case isn't even .030" thick until it's very near the web a 1/2 inch or so up and is almost identical to the Ultra Mag in thickness along the way in every respect. Again, Ken may have already done what you are looking at. Barrowing some pieces to experiment with is a good idea. Probably get a handfull on the ground at the range. [img]images/icons/smile.gif[/img] [/QUOTE]
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