If you like the 338 Federal, then how aboutthe newly announced378 Federal?

This new cartridge is right in keeping with the new trendtowardssmaller but highly efficient powdervolumescarefully matched up withlarge heavybullets. Instead of thewasteful .308 case, the new 378 Federal usesthe more advanced .223 case as the basis of its superior design.
The 378 Federal is designed for heavy big gameand is only available inthe highest quality 325 grainbullets!

As the final icing on the cake, the 378 Federal incorporates new advancements in black powder technologythat maximizes the powerproduced byitscarefullyoptimized case size and the superb penetration of the finest of hard cast lead bullet technology!

A realpig of a weapon, that one!