YHM Diamond Series Quad Rail


Out of stock


These unique forearms feature diamond shaped heat vents, an extended top rail for gap-free installation, “T” marked rails to mark accessory locations, they accept our end caps, and utilize our anti-rotation screws for secure installation. The forearms and barrel nuts are made of 6061-T6 aluminum and hardcoated to military specifications. The jam nut and anti-rotation screws are steel and plated a matte black finish to match.


Assemblies include:
-One jam nut,
-One barrel nut,
-Two anti-rotation screws,
-One forearm tube.
-Overall Length 12.58 Inches.
-Weight 15.2 oz.
-Hardcoat Anodized matte black to Military Specifications or bette