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M4 Carbine Barrel Assembly from China

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 — China → United States

20%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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