Guidance Documents

This ruling clarifies that a 20-gauge gun having two barrels pointing in opposite directions, each of which is threaded to a centerpiece containing a firing mechanism and may be concealed on a person, is a firearm within the purview of the National Firearms Act.

This ruling clarifies at what point a crank-operated gear-driven Gatling guns would fall or would not fall within the purview of the National Firearms Act.

This ruling clarifies when a device ostensibly designed for submarine spearfishing but capable of chambering and firing .22 caliber rimfire ammunition would be considered a firearm within the purview of the National Firearms Act.

This ruling clarifies that a burgler alarm device consisting of a metal cylinder, hinged in the middle so it can be opened to chamber a 20-gauge shotgun is not a firearm within the purview of the National Firearms Act.