Rcbs .43-370-fn dia.?

[sse]

I just got a M71/84 and looking for boolits.
Lyman has the #446110 and RCBS has the .43-370
my question is what diameter is the RCBS ?
I have heard it is for the .43 Spanish or .439 others say it is .446 and I need .446
Thanks
SS

[45 2.1]

I just got a M71/84 and looking for boolits.
Lyman has the #446110 and RCBS has the .43-370
my question is what diameter is the RCBS ?
I have heard it is for the .43 Spanish or .439 others say it is .446 and I need .446
Thanks
SS

My RCBS mold cast out at 0.4465" for me with WW alloy. It is a little small for my M71/84's groove diameter at 0.448" though. It did shoot well cast fairly soft. The Lyman 439186 cast at 0.440" and paper patched to a very usable diameter with 9 LB. onionskin (0.002" thickness) paper. I have the Lyman 446110, but have never cast it yet.