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Banned
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Code Section 39-17-1301, et seq.
Illegal Arms. Machine gun; short-barreled rifle or shotgun; silencer; explosive weapon; device designed, made or adapted for delivering or shooting an explosive weapon
39-17-1302(b) It is a defense to prosecution under this section that the person's conduct:
(7) Involved acquisition or possession of a sawed-off shotgun, sawed-off rifle, machine gun or firearm silencer that is validly registered to the person under federal law in the National Firearms Registration and Transfer Records. A person who acquires or possesses a firearm registered as required by this subdivision (b)(7) shall retain proof of registration;