Rifle - Winchester Mod. 70 Standard in .338
Shotgun - Mossberg Mod. 835 in 12 ga x 3.5"
If I had to choose between the two - sentimentality would win over and I would keep the .338, even though it would mean no more duck and goose hunting, or turkey hunting.

(' Course, if I got a spare rifled barrel for the 12 ga., I could kill most of the animals I shoot with my .338 - I' d just have to plan getting even closer!)