Just a reminder of the many possibles for .400 Whelen bullets: Any .416-caliber bullet, and there are many. If Sir Jerry has a hankering for some .411" Nosler partitions made from the 400-grainer .416s, no problemo.
You’re an expensive friend to hang around RC.
LOL, if he charged me to draw down that pile of 400gr partitions he dang sure would be!