Gamo Swarm Maxxim Spring-Piston Rifle from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• 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