In a bad situation, I would take a 3-gun rifle that has been well rung out over a rifle that has had a couple hundred rounds run through it and has sat in the safe for the last 10 years. The 3-gun rifle has been debugged -- its problems, if any, have already been found and fixed.
So would I. I might just happen to know a little on real world SHTF type scenarios.
So in .308 from 200m-700m which direction do you go for $2k:
-Bolt gun (700 or RPR)?
-Semi auto (AR10)?
As I mentioned before, it all depends on what you want to do.
But, for $2K, the answers are fairly easy. I'd buy a good heavy barreled bolt gun, then put some good glass (a good scope) on it. Really good optics will cost you around $1000, plus another $100 or so for a mount, and $75-$150 for really good rings. Yeah, a LOT of money, but money well spent.
A decent (not great) semi-auto 308 rifle is going to cost you more than $1000, for the most part. A few MAY be under, but most of them aren't easy to readily mount a scope on either.
And, trust me, for 700 yards.meters, you're probably going to want a scope. Sure, it CAN be done without one, but it isn't easy.
And, yes, 700 meters is outside normal "battle rifle" range. I consider 500-700 meters to be Designated Marksman distance myself.
The FAL was one of the most prolific rifles in history, I cant imagine it's as finicky as u make I sound. If poor starving black kids can operate one, I'm not gonna even imagine it's a problem.
They really aren't all that finicky. They are a battle rifle and have battle rifle sights and a battle rifle trigger. And, though mounting optics CAN be done, it is neither easy or good. Everything has compromise, and that's the FAL's.
I've run the very same surplus ammo through my M1a and my FAL. The M1a was significantly more accurate. Some of that accuracy is no doubt due to the fact that the M1a has a good trigger and excellent sights, while the FAL has a crap trigger and fair sights.
I prefer the M1A/M14 over the FAL myself. Better sights, better trigger and much more accurate. My Fed Ord M14 (USGI parts), usually eats USGI M80 ball or equivalent. My M1A Loaded usually eats M118, M852 equivalent or M118LR equivalent. For hunting, I use the Sierra 165 gr BTHP (it expands nicely).
That said, though I like them, they are battle rifles, but a good one can be tarted up into a decent DMR rifle.
If it was my choice, and I wanted to reach out to 700 meters (or up to 1000), and wanted to buy, not build, I'd get a Rem 700 Police in 308, mount a Leupold LR/T scope, with a Picatinny mount and Leupold Mark 4 rings, and learn how to shoot it. I've got a 338 Lapua just like that. I've got a custom built Rem 600 with a Hart barrel and McMillan stock much the same as that.