The Midwest Industries MI Combat Rail HD (CRM HD) is a one-piece free-float handguard designed for .308-compatible platforms. The body is machined from 6061 hardcoat anodized aluminum and finished to remove sharp edges for comfortable handling. The design emphasizes rigidity and anti-rotation features to maintain alignment under use and to support aiming accessories. A 5-slot polymer M-LOK rail is included for front-sight or accessory mounting.
Key Specifications
- The manufacturer is Midwest Industries.
- The model is listed as MI CRM HD.
- The body material is 6061 Hardcoat anodized aluminum.
- This product is a one-piece free-float handguard.
- It provides seven sides of M-LOK for modular accessory attachment.
- Includes a 5-slot polymer M-LOK rail.
- Features two steel anti-rotation QD sockets placed to maximize strength and minimize roll.
- Uses a longer 4140 barrel nut and a patented torque plate to limit forward movement.
- The outside diameter is 1.85 and the inside diameter is 1.30.
- This item is Made in the USA and comes with a Lifetime Warranty.
Designed for users who prioritize a rigid, modular mounting platform, the MI CRM HD handguard offers a no-nonsense solution for .308 builds. Its combination of hard-anodized aluminum construction, extensive M-LOK compatibility, and robust anti-rotation hardware make it well suited for demanding field use and precision-oriented setups.
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.




