VonGruff & Eagle27
Thanks gents for the info especially the "plinker" load!
With Red Dot how much would 21gn take up in the .404 case? must be only a very small amount; do you need a filler like shot buffer/dacron for this load?
Also for the 63gn load would you need some sort of filler for it also as it seems below the 75% rule or am I missing something here?
I would hate to get a ringed chamber - but obviously if it works in 2 very diferent rifles then you got yourselves a convert!

As a query to all out there with the CZ's what is the "nominal" groove diameter .422" (like the Woodies), or .423" (10.75x73) for their .404's - I can't find any info in this regard anywhere?
Will keep you informed when the loads are done.
Cheers & good hunting!
93x64mm