Thompson SMG Magazine Well
Steel magazine well insert for Thompson submachine guns (heading 9303), ensuring secure 50-round drum compatibility. Designed for non-shotgun/rifle 9303 firearms. Under 9305.99.40.00 for specified parts.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for semi-auto rifle conversions
Rifle-configured Thompsons use dedicated rifle parts code.
If generic steel receiver insert
Lacks model-specific features, defaults to Chapter 73.
If polymer aftermarket versions
Plastic magazines/wells shift to Chapter 39 plastic articles.
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
• ATF approval needed; declare capacity and compatibility to avoid NFA restrictions
• Document as replacement part only; new production may trigger complete weapon scrutiny
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