Reply To: Bumping the shoulder

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#3103
Al Barr
Participant

Dan, this is a “Gunny Sez”

Roland suggested that when sizing cases; that you leave the case compressed at the top of the stroke, for the period of time it takes to lube the next case with the Imperial Die Wax. His contention is that this procedure helps overcome the “spring back”, especially in unannealed brass.

It works for me, and I still do it, even though I anneal after each firing.