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3603.30.00.00/Large Magnum Rifle Percussion Primers/Japan

Large Magnum Rifle Percussion Primers from Japan

Heavy-duty percussion caps with hotter primer compound for magnum rifle loads, ensuring reliable ignition of slower-burning powders. Classified in 3603.30.00.00 for their role as mechanical-impact detonators in precision ammunition.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Differentiate standard vs magnum in invoices to avoid duty disputes

• Include flash point and sensitivity test results for CBP review