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Old January 27, 2013, 04:16 PM   #13
wncchester
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Join Date: December 1, 2002
Posts: 2,832
"It is a cam over press in which you are supposed to have the sizing die down tight on the ram and then lift the handle a little screw the die a little more to make sure the slop is gone."

The latteral slop in your ram isn't "removed" or taken care of with 'cam over'. That slop you have actually allows those tapered round cases to self center in that big round hole in the die. High quality (costly) rifle chambering reamers are held in lathe "floating" reamer holders so the reamers can self align with the bore. Meaning we can't MAKE such things go straight but we sure can prevent them from going straight. Unless the alignments of ram-shell holder-case-die-press hole are all perfect (and that is VERY rare!) we actually benefit from less than ridgid ram alignment.
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