M4 Carbine Gas Tube from China
A stainless steel gas tube designed for the M4 carbine, a military assault rifle under heading 9301. It channels propellant gases from the barrel to cycle the action. Classified under 9305.91.30.30 as a part of 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
• Obtain ITAR export license from parent country and ensure US State Department registration for defense articles
• Provide detailed technical specs and end-user certificates to verify military weapon compatibility
• Avoid misclassification as sporting parts; military designation triggers stricter controls