M4 Carbine Barrel Assembly from Canada

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 — Canada → 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

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