(a) The following articles, services and related technical data are designated as defense articles and defense services pursuant to §§ 38 and 47(7) of the Arms Export Control Act (22 U.S.C. 2778 and 2794(7))....
(a) Nonautomatic and semi-automatic firearms to caliber .50 inclusive (12.7 mm).
(b) Fully automatic firearms to .50 caliber inclusive (12.7 mm).
(a) Ammunition/ordnance for the articles in Categories I and II of this section.
f) The following explains and amplifies the terms used in this category and elsewhere in this subchapter:
(1) The components, parts, accessories and attachments controlled in this category include, but are not limited to cartridge cases, powder bags (or other propellant charges), bullets, jackets, cores, shells (excluding shotgun shells), projectiles (including canister rounds and submunitions therefor), boosters, firing components therefor, primers, and other detonating devices for the defense articles controlled in this category....
(a) Any person who intends to export or to import temporarily a defense article must obtain the approval of the Directorate of Defense Trade Controls prior to the export or temporary import, unless the export or temporary import qualifies for an exemption under the provisions of this subchapter....