What shell holder for 300 Norma Mag

Unfortunately I did not see this thread before ordering (2) RCBS #14 shell holders from Brownell's for use with .300 Norma Mag based upon the listing in the RCBS chart, The RCBS #14 definitely does NOT fit Lapua .300 Norma brass! I use a Forster Co-Ax press with large plates for sizing/seating, but wanted shell holder for use with my Sinclair hand primer. In reading this thread I noted that others have also found that RCBS's chart listing of the #14 is wrong. I also noted that some use the RCBS #48 for the .300 Norma application, but saw comments that the #48 was loose on .300 Norma! ***?
I still consider Lapua brass to be the gold standard, so it doesn't seem likely that their .300 Norma brass would be out of spec, so the problem must lie with RCBS's chart listing, yes? Maybe I should try calling them directly to see whether they actually know the answer to which of their holders is correct?!
 
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