Submachine gun/ Comapct assault rifle debate

[BurtReynoldsMoustache]

Originally Posted by Excalibur

Well something like that Colt AR-15 in 9mm should be called an SMG because it fires pistol ammo.

Then we got the Cx4 Storm, which has been called a rifle, but it fires pistol rounds.

Pistol carbine seems like it would be an appropriate nomenclature.