40mm M381 High-Explosive Grenade from Mexico
The 40mm M381 is a high-explosive round designed for grenade launchers like the M203, featuring a steel body with Composition B filling and impact fuze. Classified under HTS 9306.90.00.50 as 'other' munitions of war, it represents projectile ammunition beyond small arms cartridges. This subheading captures launcher-fired grenades as complete projectiles.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare as UN0012 explosive for hazardous materials shipping; secure DDTC approval for defense trade controls
• Verify launcher compatibility in documentation to prevent reclassification as small arms ammo
• Use licensed munitions handlers for customs clearance