These unique forends feature diamond shaped heat vents for improved cooling, an extended top rail for gap free installation, "T" marked rails, and anti-rotation screws for secure installation. These forearms and barrel nuts are made of aluminum and hard coat anodized. The jam nut and anti-rotation screws are made of steel and matte black finished. Includes one jam nut, one barrel nut, and two anti-rotation screws.

Link to parts manufacturer