Going on my stainless classic RUM.
SHHHH......don't tell McMillan.
I've been running an Echol's Lengend in edge fill on a 300 RUM for years without issue.
Hoping mine comes in close to 8# scoped with Talley LW.
Joe, dunno, never seen on a CZ, but give J. Earl a call. Easy man to talk to once you have his contact info!