something rings a bell in my memory about cheating this a little. Are you using roll or star crimps?
The niggling memory thing says that a 2 3/4 chamber has enough room for the star crimp to come out and fill out.
Therefore a 2 1/2 chamber maybe long enough to let a roll crimp on a 2 3/4 loose and still not jam up the bore so to speak.
any more thought anyone?
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