And let that be a lesson to you!

I think the answer is obvious. Since Tom can't get the rest of the Campfire to choose among the three choices he listed, he should build rifles in every possible short-action cartridge based on the .308 Winchester or 6.5 Creedmoor cases.

Then he should ask the Canpfire what he should build next. This will open up a world of new answers, no doubt including several to buy a longer action, or maybe 17 longer actions.

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