Almost…375 H&H goes into a H&H Rifle.
416 Rigby goes into a Rigby Rifle
450 Rigby goes into a Rigby Rifle
458 Lott goes into.. well, CZ and Win 70
404 Jeffery goes into a Heym.
404 Jeffrey goes in a WJ Jeffrey ! The Lott can go to Heym (or any other, non-proprietary cartridge gunmaker)