Malamute, whatever rifle you would honestly grab is fine with me. As we all know, there are going to be trade offs. If you grab a scoped sporter rifle and need to clear a building or something you are going to probably have to go with a ballistically inferior handgun. If someone else chooses a pistol caliber carbine and they need to shoot at extended range, they are out of luck. Everything is a trade off. And that is something I was thinking about when I posted this thread: I want something that is versititile. I want something that can fill as many niches as possible even if it doesn't do all of them really well. Close quarters out to medium ranges. With my choice of rifles, I have a variety of sighting options that I can change in seconds and the other optics arn't heavy and bulky to carry: I think it is actually practical. I can shoot iron sights, red dot, ACOG, or 3-9x variable scope. All the optics are mounted in LaRue mounts, and all the mounts attach to a rail. I can leave my dot optic on the gun for general purpose, everyday carry. But, if I needed to make a shot at 500-600 yards and had the time, I could take about 30 seconds and switch that optic out to a 3-9 scope and have a lot higher hit percentage.
Obviously, I don't think it is a good idea, to envision one senario to be prepared for and choose a weapon for that one senario and train for that one senario and refuse to believe that anything else could possibly happen. I also don't think this is fun. As a gunowner, I like to train and challenge myself with new stuff. To me, that makes each range session a lot of fun and something to look forward to. Practicing head shots at three yards from the ready on a timer is a lot of fun. Shooting carbine El Presidente' is a lot of fun. Shooting at the extreme ranges of your skills is just as much fun. Being intimately familiar with your weapon, which includes knowing your sight dope out to long range is fun. Nothing negative will come from starting at three yards and working out to 600 and seeing what you need to do to hit at those ranges: sight dope, scope turret settings, mil-dots, whatever. And finding that information takes a lot of serious shooting on your part which is what it takes to get good with a rifle (not that I would know about being good with a rifle, but it seems to make sense).
I think a lot of people would be surprised what they could do with a rifle if they actually get out and try it. I have shot in matches where a guy was actually trying to win using a Yugo SKS out to 800 yards. And, he was hitting the targets. He didn't hit them often enough to win, but it gave me a whole new appreciation of the rifle and cartridge. That same guy has shot a local F-Class (1000 yard) match using a milsurp Mauser. And was putting shots on paper. You never know what you might do until you try it.