The last time I fired any AR-15 type weapon, it was the M16 version in Vietnam. Today I own a Mini. The M16 was well suited for that purpose then but the Mini suits my purposes much better today. I'm not fighting a war, nor do I intend to, but the Mini is an excellent choice for any small-scale, SHTF close-up type of engagement that I'll most likely not encounter. But I'd probably start out with a pump and buckshot anyway. That's what Schwarzkopf kept next to his bed during the Gulf War and there's a lesson in there. He could have anything he wanted.
There have been comments about high rate-of-fire and accuracy, but believe me, you will not get both simultaneously out of either the AR-15 or the Mini. The *only* reason I would be using a Mini in distress is because of the *higher* rate-of-fire. If I were using the AR-15 in its place, the better accuracy would be worthless.
That said, the last time I fired the Mini (which has been a while) I was able to get shots into less then 4 inches (mostly under 3) at a hundred yards with iron sights. I probably couldn't do that today with either rifle. More than this I do not need and I would be obsessive if I thought so. I don't hunt with it and if any danger is more than a hundred yards away, I'm not likely to be shooting at it anyway. Why draw attention to yourself? I didn't do that in Vietnam nor would I dream of doing it today.
Another advantage to the Mini is that it is more compact and doesn't have all the appendages hanging off of it. They snag on things in close quarters. Just ask me.
The original reason for all the appendages is because of rate-of-fire capability (M16). You don't get that with either the Mini or the AR-15, so why even have 'em? They get in the way and you still only get one shot per finger-wiggle. When you fire full auto, it makes more sense, so the AR-15 is no better than the Mini in that respect.
I'm not trying to discourage anyone from an AR-15 or run it down. They are excellent weapons, but it's just not suitable for my situation. If I was going to gather up a group of friends and go out and attack an enemy village then it might be an excellent choice. But being realistic, that's not likely to happen. I don't daydream about putting on camos and going out and razing the countryside. I'm the quiet type.
Before training with the M16, I trained with the M14. I was fascinated with that weapon and still am. But I still can't come up with any practical reason for owning one unless engaging in some kind of warfare. The Mini is a practical close-quarters substitute and just makes the best all-round choice for me and many others.
"Heresy!" they shout! (but down deep you know it's true)
Ed