I'm still new to all this and understand what it means (kinda) but unsure how to accomplish it. What is the process for "just bumping the shoulder back" on fire formed cases that will be used in the same rifle? Does this require a certain type of die or can it be done with a FL or SB die? I'm assuming it is done by not screwing the die all the way so it is not touching the shell plate? How do you know where to stop?
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