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I use an RCBS Trim Pro manual case neck trimming kit for "improving" 270 case neck concentricity and thickness uniformity. Problem is, the pilot/reamer mines the brass from the inside neck wall. It is hard as #### to advance the pilot into the case. I have to literally force the reamer to advance. The outside neck shaver has barely touched a single case.
I suspect 1.) the RCBS case sizing die is overly working the case neck or 2.) the pilot reamer's diameter is too large.
Anyone else have a similar problem and possibly a solution? I am certain it should not be mining so much of the brass away and I am additionally certain it should not be so difficult to advance the pilot/reamer.
I suspect 1.) the RCBS case sizing die is overly working the case neck or 2.) the pilot reamer's diameter is too large.
Anyone else have a similar problem and possibly a solution? I am certain it should not be mining so much of the brass away and I am additionally certain it should not be so difficult to advance the pilot/reamer.