Update on the 400H&H
Rumor through the grapevine has it that H&H has finished specing out the 400H&H and will have both the rifle and cartridge on display at the SCI in Dallas. It's my understanding also that there are a couple of English ammunition firms that have already starting producing factory ammo. Knowing that I could never afford an H&H rifle, it might work to buy a box of cartridges, and ship one off to a gunsmith and die maker for chambering of the rifle of your choice and die maker of choice, if you are in a hurry. Factory made rifles here in the U.S. might be a long time in coming, but if you want to wait 6 months or so, I'm sure RCBS, Z-Hat or CH4D will have dies. I think both the 400 and 465 will be based on the 375 H&H case, but may require full length sizing before expanding the neck. I have no idea what the taper of the case will be, but it is supposed to retain that for easy chambering and extraction. If it remains unchanged, the shoulder may move back and may steepen, though I really have no idea, since it will headspace on the belt.
If you hear anything else, let us know.