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12.58" Black Diamond® Series Forearm (Rifle Length)

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Product Features

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.

The Black Diamond® Series Handguard comes with all necessary parts for installation, including:

  • Rifle Length Black Diamond® Handguard
  • Barrel Nut (YHM-9483)
  • Jamb Nut
  • Anti-Rotation Screws
  • Installation Instructions  


  • Overall Length 12.58 Inches.
  • Total Weight 15.2 oz.
  • Hardcoat Anodized matte black to Military Specifications or better :
  • Made of 6061-T6 aluminum

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