M4 Carbine Upper Receiver Assembly from Japan
This upper receiver assembly is a key part specific to M4 and M16 rifles, classified under HTS 9305.91.10.00 as a part of military rifles from heading 9301. It includes the barrel, handguard, and bolt carrier group designed exclusively for these military weapons.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain ITAR export licenses from origin country and ensure ATF compliance for military rifle parts
• Provide detailed blueprints and end-user certificates to verify military rifle specificity
• Avoid misclassification as civilian parts; common pitfall leads to seizures at customs