M4 Carbine Gas Tube from Japan

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 — 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%

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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