Document ID: chunk:federal_register_of_legislation:F2017L00081:reg:6
Version: federal_register_of_legislation:F2017L00081
Segment Type: reg
Provision Reference: reg 6
Character Range: 8183–10699

6  Category I—Firearms, Close Assault Weapons and Combat Shotguns
 (a) Non‑automatic and semi‑automatic firearms to calibre .50 inclusive (12.7 mm).
 (b) Fully automatic firearms to .50 calibre inclusive (12.7 mm).
 (c) Firearms or other weapons (for example, insurgency‑counterinsurgency, close assault weapons systems) having a special military application regardless of calibre.
 (d) Combat shotguns. This includes any shotgun with a barrel length less than 18 inches.
 (e) Silencers, mufflers, sound and flash suppressors for the articles in paragraphs (a) to (d) and their specifically designed, modified or adapted components and parts.
 (f) Riflescopes manufactured to military specifications.
 (g) Barrels, cylinders, receivers (frames) or complete breech mechanisms for the articles in paragraphs (a) to (d).
 (h) Components, parts, accessories and attachments for the articles in paragraphs (a) to (g).
 (i) Technical data and defence services directly related to the defence articles enumerated in paragraphs (a) to (h).
 (j) The following interpretations explain and amplify the terms used in this category and throughout this Part:
 (1) a firearm is a weapon not over .50 calibre (12.7 mm) which is designed to expel a projectile by the action of an explosive or which may be readily converted to do so;
 (2) a rifle is a shoulder firearm which can discharge a bullet through a rifled barrel 16 inches or longer;
 (3) a carbine is a lightweight shoulder firearm with a barrel under 16 inches in length;
 (4) a pistol is a hand‑operated firearm having a chamber integral with or permanently aligned with the bore;
 (5) a revolver is a hand‑operated firearm with a revolving cylinder containing chambers for individual cartridges;
 (6) a submachine gun, "machine pistol" or "machine gun" is a firearm originally designed to fire, or capable of being fired, fully automatically by a single pull of the trigger.
Note 1: Paragraphs (a) to (i) exclude any non‑combat shotgun with a barrel length of 18 inches or longer, BB, pellet, and muzzle loading (black powder) firearms. This category does not cover riflescopes and sighting devices that are not manufactured to military specifications. It also excludes accessories and attachments (for example, belts, slings, after market rubber grips, cleaning kits) for firearms that do not enhance the usefulness, effectiveness, or capabilities of the firearm, components and parts.
Note 2: Paragraph (f)—see Category XII(c) for controls on night sighting devices.