Subheading 930510: Firearms; Parts and Accessories, of Revolvers or Pistols

Subheading 930520: Firearms; Parts and Accessories, of Shotguns or Rifles of Heading 9303

Subheading 930591: Firearms; Parts and Accessories, of Military Weapons of Heading 9301

Subheading 930599: Firearms; Parts and Accessories, of Firearms other than the Military … etc.