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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for military shotguns or grenade launchers
Different military weapon types in 9301 have separate parts subheadings.
If part of complete sporting shotgun assembly
Sporting firearms and parts shift to Chapter 93 heading 9303.
If generic valve or appliance without arms designation
Breech mechanisms resembling industrial valves classify under valves heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
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
Related Products under HTS 9305.91.30.10
M777 Howitzer Barrel Assembly
The barrel assembly for the M777 lightweight 155mm towed howitzer, classified under HTS 9305.91.30.10 as a part of artillery weapons in heading 9301.10. It includes the rifled tube and breech mechanism essential for firing projectiles.
155mm Projectile Loading Rammer
Pneumatic rammer for loading 155mm shells into artillery breeches, classified under HTS 9305.91.30.10 as an accessory of 9301.10 artillery.
155mm Artillery Recoil Mechanism
Hydraulic recoil system for 155mm self-propelled artillery like the M109 Paladin, a critical part under HTS 9305.91.30.10 for absorbing firing forces in 9301.10 artillery weapons.
M252 81mm Mortar Baseplate
Reinforced baseplate for the M252 81mm mortar system, classified as a part of artillery weapons under 9301.10 and thus HTS 9305.91.30.10.
Artillery Weapon Elevation Gearbox
Precision gearbox controlling elevation on towed artillery like the FH70 howitzer, a key accessory under HTS 9305.91.30.10 for 9301.10 weapons.
Artillery Fire Control Computer Mount
Ruggedized mount for fire control computers on artillery pieces like the AS90 self-propelled gun, under HTS 9305.91.30.10 excluding radar per chapter note.