M4 Carbine Stock Assembly from Japan
Adjustable telescoping buttstock for M4 carbines (heading 9303), made of polymer and metal, excluding shotgun or rifle models. Enhances stability and adjustability for tactical use on military-style firearms. Classified under 9305.99.40.00 for parts of other 9303 articles.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit detailed blueprints or photos proving compatibility only with 9303 non-shotgun/rifle firearms
• Comply with ATF import permit requirements; track serial numbers if stock includes serialized components