Maybe this'll help:

[Linked Image]


FWIW, and maybe I'm way off, is that I believe the RUM would be a difficult round to work with in the CRF M70..

Due to the dimensions of the IM it appears to me (viewing this quickly) that the Wby round would require a new barrel. That IM is one thick case...

FWIW.


Ex- USN (SS) '66-'69
Pro-Constitution.
LET'S GO BRANDON!!!