Yes, but show me anybody who has shot much SBR who really thinks a pistol-barreled AR-15 is the ideal weapon.
The cops and military are using rifles that have barrels that are a whole 1.3" shorter than what is legal for Joe Blow.
Somewhere, the military decided that 14.7" inches was the magic number for foot soldier. I won't even begin to get into how they came up with that number.
I had 10.5" .223 carbine. I was not impressed with it.
I'm sure I would be even less impressed with an even shorter barrel on a "rifle."
I've had this conversation before. It always evolves from size of the gun, then to the caliber of the gun, and then to what type of target will be engaged, and then to whether it will be fired full-auto, and then what type of ammo, and then what type of personnel support, and then blah, blah, blah...
If the stumpy-barrel rifle caliber gun is ideal to your needs, more power to you.
I've fired a whole lot of types of guns.
Without fail, the weird ones go the way of the weird soon after the novelty wears off.