Importation & Verification of Firearms, Ammunition and Implements of War
Gun Control Act Definitions
Note: This section is intended to provide basic guidance in understanding firearm terminology. Please bear in mind that these illustrations do not necessarily depict importable firearms.
The term “Firearm” means:
- Any weapon (including a starter gun) which will or is designed to or may readily be converted to expel a projectile by the action of an explosive;
- The frame or receiver of any such weapon;
- Any firearm muffler or firearm silencer; or
- Any destructive device.
Firearm Frame or Receiver
That part of a firearm which provides housing for the hammer, bolt or breechblock, and firing mechanism, and which is usually threaded at its forward portion to receive the barrel. 27 CFR § 478.11.