Import duty on Bombs, grenades, torpedoes, mines, missiles and similar munitions of war and parts thereof; cartridges and other ammunition, projectiles and parts thereof, including shot and cartridge wads (HS 9306)

Heading 9306 covers 4 tariff lines in LoadLoom's table; 3 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.

HS code	Goods	US duty	Canada duty	USMCA
9306.21	Ammunition; shotgun cartridges	Free	7%	Free with certificate
9306.29	Ammunition; parts of shotgun cartridges	Free	Free	Free with certificate
9306.30	Ammunition; cartridges and parts thereof n.e.c. in heading no. 9306	Free	7%	Not eligible
9306.90	Ammunition; n.e.c. in chapter 93	Free	7%	Free with certificate

This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.

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Chapter 93: Arms and ammunition; parts and accessories thereof · Every chapter