M4 Carbine Gas Tube from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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