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TriStar Viper Magazine Extension Tube from Japan

An aftermarket tube extending magazine capacity on TriStar Viper shotguns. Classified HTS 9305.20.80.33 as other shotgun part. Threads directly to receiver.

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%

Import Tips

ATF approval for capacity increases

Value separately per notes