Re: Building a new hunting rig
I'd stick with the 308. Or even go with less, like a 260, 7-08, etc. The 260 will do everything you need it to do in TX, and less recoil. Long range, you will fight a 260 less than the 308. Get a ballistic app, and crunch some numbers. (you did not mention reloading, from that standpoint stick with 308 for factory)
Don't take this the wrong way, why "over caliber" to say hunt AK moose someday?, when 99% of your shooting will be in TX? You will just be back with a gun you don't shoot often enough. Think less recoil, more shooting fun,,,,Again, just my opinion, you should have sent 100's of rounds downrange (at least some...) at your max range prior to being confident harvesting an animal at the range you practice? but maybe that's me
Pick a decent caliber for your area. You mention building, your post is buying. If you are building then the savage hands down because you can screw a premium barrel on the cheap (no gunsmith).
Buying, like the others mentioned, get a 700. If you wanted to go "semi custom" don't start with the barrel, get a custom trigger, I really like the jewel. to each their own
Once you pencil out the AK trip, (don't get me wrong, we can use the dollars in our economy) a moose hunt up here will start at 3k and I'm being conservative with unguided and short fly-out, pick up a 30/06 or a 7mag, 300wm, for that trip. A new rifle is an drop in the bucket with the cost of the hunt cost, you can sell it when you get back,, again, being conservative. Or bring the 308, would do just fine. Moose are not a tough animal to anchor.
Final answer, rem 700, 308, upgrade a trigger, boyds laminate stock was an excellent suggestion, pillar and bed, you can do it yourself, and ammo to shoot it.