cosmogragon, my pistol reamers have a stop that does not cut, my belted reamers have a shoulder that cuts the chamber for the belt. My bottle neck reamers do not have a stop shoulder, getting carried away etc., etc., that is for another day.
That does not mean the operator that knows what they are doing and has the ability to determine the length of the chamber before they start, after they start and when they finish can not use a stop on the reamer to control the length of the chamber 'FROM THE SHOULDER TO THE BOLT FACE'.
F. Guffey
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