9304.00
Other arms (for example, spring, air or gas guns and pistols, truncheons), excluding those of heading 9307:
Duty rates
“General” applies to imports from most trading partners under normal trade relations. “Special” lists products eligible for reduced or duty-free treatment under programs like GSP, USMCA, CAFTA-DR, or individual free-trade agreements. “Column 2” applies to imports from countries without normal trade relations (currently Cuba and North Korea).
Chapter 93
Arms and ammunition; parts and accessories thereof (Section XIX — Arms and ammunition)