Quote:
Originally Posted by rumlover
223 small base dies inbound from Midway USA.
If I shove the 300 all the way into the 223 die, will the case mouth get jammed into the 223 neck and shrink the mouth?
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No
I can have my RCBS 223 SB die screwed down to make my Rock Chucker cam over and it still does not deform the mouth.
The brass is trimmed to 1.355" and the case holder is RCBS also.
I will just do an initial size using the SB die on my future 223 cases before forming and trimming.