The Yankee Hill Machine (YHM) Diamond Series Forearm is a rifle-length AR-15 handguard engineered for accessory mounting and heat management. It offers an extended top rail designed for a gap-free fit and T-marked Picatinny rails for repeatable accessory placement. Diamond-shaped heat vents aid cooling while the forearm and barrel nut are manufactured from 6061-T6 aluminum with a hardcoat anodized matte-black finish.
Key Specifications
- The overall length is listed as 12.58 inches.
- The forearm and barrel nut are made from 6061-T6 aluminum.
- The finish is hardcoat anodized matte black to military specifications.
- Designed to fit AR-15, rifle length configurations.
- Features an extended top Picatinny rail for a gap-free installation.
- Includes T-marked Picatinny rails for consistent accessory placement.
- Incorporates diamond-shaped heat vents for improved airflow.
- Assemblies include one jamb nut, one barrel nut, two anti-rotation screws, and one forearm tube.
- The jam nut and anti-rotation screws are steel plated matte black to match the finish.
This forearm is well suited for shooters seeking a durable, modular handguard for AR-15 rifle-length builds. Its extended top rail and T-marked Picatinny surfaces simplify mounting optics and accessories while the hardcoat anodized aluminum construction provides long-term wear resistance. The Diamond Series forearm balances functional layout and thermal management for regular use in field and range environments.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
