I just did a piece on the .348 in HANDLOADER magazine a few months ago; there are a number of good combos. If anybody really wants to keep a .348 fed, handloading is the way to go.

One of the local stores even has a few bags of new Winchester brass on hand, so it isn't all that rare.

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck