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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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