Analysis
HTS 9303.10.00 covers muzzle-loading firearms under heading 9303 (other firearms and similar devices which operate by the firing of an explosive charge…).
Within this group the rate runs from duty-free to 4.2%. Compared with 9303.90.40 (pistols and revolvers designed to fire only blank cartridges or blank…), which pays 4.2%, a misclassification either way moves the duty by 4.2 percentage points.
The normal trade relations rate here is zero, shared by about 62% of the 29 tariff lines in chapter 93, a useful check when a neighbouring dutiable line is a candidate. Duty-free at the general rate does not rule out additional duties under Chapter 99, such as Section 301 or Section 232 measures, which depend on the country of origin.
Census statistics map these goods to NAICS 332994 (Small Arms, Ordnance, and Ordnance Accessories Manufacturing), an industry of 523 US establishments employing 25,999 people. That concordance is how imports of this line are compared with US output.
Every edition we compared, from Jan 2023 to Oct 2026 (Rev. 22), shows the same general rate of Free.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 9303.20.00 | Other firearms and similar devices which operate by the firing of an explosive charge (for example, sporting shot- guns and rifles, muzzle-loading firearms, Very pistols and other devices designed to project only signal flares, pistols and revolvers for firing blank ammunition, captive-bolt humane killers, line-throwing guns): other sporting, hunting or target-shooting shotguns, including combination shotgun-rifles | 2.6% |
| 9303.30.40 | Valued over $25 but not over $50 each | 3.8% on the value of the rifle + 10% on the value of the telescopic sight, if any |
| 9303.30.80 | Other sporting, hunting or target-shooting rifles: other | 3.1% on the value of the rifle + 13% on the value of the telescopic sight, if any |
| 9303.90.40 | Pistols and revolvers designed to fire only blank cartridges or blank ammunition | 4.2% |
| 9303.90.80 | Other: other | Free |