Artillery Breech Block Assembly

The breech block and firing mechanism for large-caliber artillery guns like the M198 howitzer, falling under HTS 9305.91.30.10 as parts of 9301.10 self-propelled artillery.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+17.5%17.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9305.91Same rate: 17.5%

If for military shotguns or grenade launchers

Different military weapon types in 9301 have separate parts subheadings.

9303.30.40Same rate: 17.5%

If part of complete sporting shotgun assembly

Sporting firearms and parts shift to Chapter 93 heading 9303.

8481.80.90Higher: 37% vs 17.5%

If generic valve or appliance without arms designation

Breech mechanisms resembling industrial valves classify under valves heading.

Not sure which classification is right?

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Import Tips & Compliance

Submit end-user statements proving use in U.S. military or allied forces to avoid embargo issues

Ensure no radio/radar parts included, per chapter note excluding 8526 apparatus