Magazine Extension Tube from China

A 12-gauge magazine extension tube increases shotgun capacity for Remington 1100, classified under HTS 9305.99.60.00 as an accessory for heading 9303 shotguns. It threads onto the factory magazine tube.

Duty Rate — China → United States

20.4%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Declare exact capacity increase (e.g

+2 rounds) and gauge/thread specs

Aluminum tubes need anodizing type specification

Note compliance with federal 922(g) parts count rules