Cannelures matter only if you crimp your handloads. May be needed for M94's and 336's, maybe not. Certainly not needed for use in a 99. If a cannelure lays way outside (or way inside) a case neck it machs nix to me.
"You can lead a man to logic, but you cannot make him think." Joe Harz "Always certain, often right." Keith McCafferty
