Arbitrary classification. Describes a certain subset of features that not only can be used to scare the sheep, but to demonize an entire class of sporting arms. These features have no bearing on the lethality of the weapon.
This time they will go for the kill; they will outlaw semi autos, they will outlaw mags, they will try to outlaw ammo that can penetrate anything (like a deer).
The second coming of the AWB under the Democrats will be the kiss of death for legal semi auto ownership. Hopefully they will overreach so badly that it backfires.