Taymore, first off never take anything I say too seriously, especially when I am talking to Troy!
With that in mind I really do think that the AR in 5.56x45 IS a poor excuse of a rifle. A rifle should be able to take any game on the continent that you live, defend you from the animals of the continnent that you live, be able to penetrate car doors and windsheilds and STILL do real damage to the occupants, It should be able to break down cinderblock walls and go through small trees...thats what rifles should do, and there are lots of them that are good from Remington 700s to Sharps rifles.
Carbines on the other hand, generally don't do those things, but in the case of the AR...(and I picked it because of the pistol grip AND collapsable stock to joke with Troy) They have almost no recoil, they are almost all insainly accurate, they are the big kids leggo set, but the caliber it is in makes it a carbine, NOT a rifle. So it is a poor excuse for a rifle, but it is a dandy carbine!
Now most every competition shooter used to lust after pistol grip shotguns, so they got them, and then after a short while, after using them, they went back to the orriginal stocks. Now these are the guys shooting them a lot, and if they switched back it had to be for a reason. To give you an idea about round expenditure for these guys generally they shoot just shy of 10,000 rounds of shotshells a year plus a bunch of slugs and buckshot.