my take is that it'd likely work, but wouldn't be ideal.
If you're in urbanized or western OR and are envisioning some kind of person-to-person conflict, I'd agree that an intermediate semi-auto, detatchable box mag carbine would be better for the application (sans legal issues after the fact). There's a reason we're issuing M16s and not Marlins.
If on the other hand you're in rural/eastern OR with those looooooong open ranges, a scoped bolt gun in .308 or up might well be a better idea.
Then of course we get into the whole "SHTF" thing as something to worry about to start with. Since you say "a rifle behind every blade of grass" I imagine we're talking more of a widespread conflict type scenario than a simple riot or something.
So... If you're envisioning being part of a military conflict on homesoil against an external aggressor (aside from the odds of such being next to nothing) I'd think that as much compatibility with the local "real guys" would be ideal... say a tricked out AR. Or alternately, filling a role your line infantry can't -- say a long range bolt gun.
But honestly, I'd think things would be pretty bad indeed for ANY US military commander to say "I need help from the local civvies, please show up with your own gear." Might be the Constitutional way, but I can't honestly see it happening. I mean, if YOU were a military commander, would you want to incorporate a mess of civilians you didn't know, didn't have a reason to trust, and with no knowledge of their capabilities into your force? You could shoot like Hathcock himself, but Lt. StandingArmy won't know that. Plus, if the situation was THAT dire, I'd bet there'd be plenty of M16s (or M8s
) lying around by that time, making any choice you made ahead of time moot.
If on the other hand you're thinking more in terms of "armed insurrection" -- I'd say a scoped T/C Contender or short range pocket pistol "HenryBowman Special" and patience would be of more value than any high dollar whiz-bang "up against the Delta boys" kinda thing. Doesn't make much since to engage the swordarm when you can engage the head much more easily. Welcome to the post-nuclear age of asymmetric conflict.
For more typical, realistic concerns however -- Mr. BadMan in your living room (or on your farmstead) at 3AM -- the levergun sounds just fine. It's been doing that duty for over a hundred years, no reason it can't do it today.
And if it's just a good reason for another toy... then just plain get what tickles your fancy.
-K