M4 Carbine Barrel Assembly from Japan
A chrome-lined barrel and gas block assembly designed specifically for the M4 military carbine of heading 9301. This part enhances accuracy and durability in combat conditions. Classified under 9305.91.30 as a dedicated part for 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
• Verify ITAR registration and obtain State Department export licenses for military weapon parts
• Provide detailed technical specs and end-user certificates to confirm military classification
• Avoid misclassification as civilian parts by documenting exclusive use with heading 9301 weapons