To date I have been reloading for my .454 Casull SBH with the Lee 4 die set which has been ok but of the 4 dies only the seating die is .454 specific the other all being .45 LC which Lee does note is the case in their instructions.
Having read that it is a good idea to use dies specific to the .454 I purchased the RCBS 3 die carbide set but have noticed the RCBS die does not size down to the base of the case as far as the Lee. Is that typical? Also I am using the Lee shell holder, would the RCBS set require their shell holder?
Would appreciate any advice, thanks.