Gamo Swarm Maxxim Spring-Piston Rifle

Break-barrel .177 caliber air rifle using spring-piston mechanism to compress air and propel pellets. HTS 9304.00.4000 covers spring mechanism guns excluding high-power exceptions. Features 10X Gen2 magazine system for rapid follow-up shots.

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.

9304.00.20.00Higher: 21.4% vs 17.5%

If spring guns exceeding velocity and caliber limits

Subheading 9304.00.20 applies to more powerful spring air rifles based on ballistic specs.

9503.00.00Lower: 10% vs 17.5%

If BB gun version under 350 fps for youth target practice

Low-power BB-firing spring guns classify as sporting toys in Chapter 95.

9305.20Lower: 10% vs 17.5%

If imported as replacement spring-piston assembly

Individual parts and accessories for air guns fall under heading 9305.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include mechanism diagram showing spring release to avoid confusion with CO2 models

Test-fire reports confirming velocity under thresholds prevent reclassification to 9304.00.20

Label as 'recreational airgun' not 'hunting rifle' to aid customs review

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