[WayneS]

In recent months increasing numbers of the model below have been seized, appearing to overtake the previous model in frequency. It is characterized by an unconventional appearance, owing to the use of a tubular receiver and a conical barrel nut. Unlike the majority of ‘T’ SMGs this design does not appear to make use of a telescoping bolt, resulting in a longer rear portion of it’s receiver. ‘Made in the USA’ is the most commonly stamped claim.

Holder counts these as guns which originated in the U.S.

[HammerT]

Yes, and thus they have another justification for depriving everyone of their civil rights.