As we are under the AWB (assault weapon ban) they will be verboten as you would have to make it under 50 ounces (3.12lbs) . along with the front hand grip. (could be deleted.) the uzi is Heavy.
a semiautomatic pistol that has an ability to accept a detachable magazine and has at least 2 of--
(i) an ammunition magazine that attaches to the pistol outside of the pistol grip;
(ii) a threaded barrel capable of accepting a barrel extender, flash suppressor, forward handgrip,
or silencer;
(iii) a shroud that is attached to, or partially or completely encircles, the barrel and that permits
the shooter to hold the firearm with the nontrigger hand without being burned;
(iv) a manufactured weight of 50 ounces or more when the pistol is unloaded; and
(v) a semiautomatic version of an automatic firearm; and