Mi 308 High Combat Rail Hd M-Lok Handguard 13.5
$274.95
$279.95
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The Midwest Industries 308 High Combat Rail HD M-LOK handguard is a purpose-built 13.5-inch rail system for AR-pattern rifles chambered in .308 Winchester and other large-frame calibers. Built for shooters who demand precision, reliability, and real-world durability—whether you're running a suppressed DMR, a long-range hunting rifle, or a dedicated precision platform—this handguard combines rigid construction with thoughtful engineering to keep your point of aim rock-solid under demanding conditions.
The handguard's shape and profile are optimized for maximum rigidity, which means less harmonic vibration and more consistent shot grouping. A longer 4140 barrel nut distributes clamping force effectively, while dual steel anti-rotation QD sockets and heavy-duty machined tabs prevent any movement or rotation once torqued down. The MI-patented torque plate is engineered to eliminate forward creep, so you install it once and trust it stays put. The 6061 hardcoat anodized aluminum body is both lightweight and tough enough for field abuse, and every edge has been fully dehorned and deburred for comfortable handling.
M-LOK attachment points run across seven sides of the profile, giving you genuine real estate for optic mounts, light adapters, vertical grips, and rail covers. One 5-slot polymer M-LOK rail segment is included to get you started. The compact 1.750-inch outside diameter and 1.250-inch inside diameter keep the handguard sleek without sacrificing mounting flexibility. Built in the USA and backed by Midwest Industries' limited lifetime warranty.
Key Features
- 13.5-inch length optimized for AR-10 and large-frame .308 platforms
- Rigidly designed profile minimizes point-of-impact shift, especially critical for night vision and magnified optics
- Dual steel anti-rotation QD sockets with reinforced tabs prevent any movement under recoil
- Longer 4140 barrel nut for superior handguard stability and clamping security
- MI patented torque plate eliminates forward creep after installation
- M-LOK mounting on seven sides for accessories, lights, grips, and optic rails
- Includes one 5-slot polymer M-LOK rail segment
- 6061 hardcoat anodized aluminum construction for durability and corrosion resistance
- Fully dehorned and deburred edges for comfortable handling
- Made in the USA
Specifications
| Brand | Midwest Industries |
| Product | 308 High Combat Rail HD M-LOK Handguard |
| Length | 13.5 inches |
| Outside Diameter | 1.750 inches |
| Inside Diameter | 1.250 inches |
| Material | 6061 hardcoat anodized aluminum |
| Attachment System | M-LOK (7 sides) |
| Included Accessories | 5-slot polymer M-LOK rail |
| Anti-Rotation | Dual steel QD sockets and machined tabs |
| Barrel Nut | 4140 steel, longer profile |
| Origin | Made in USA |
| Warranty | Limited lifetime |
Frequently Asked Questions
What rifles does this handguard fit?
The Midwest Industries 308 High Combat Rail HD is designed for AR-pattern rifles chambered in .308 Winchester and other large-frame calibers (sometimes called AR-10 or SR-25 pattern). Confirm compatibility with your specific platform before purchase.
Will this handguard shift my point of impact if I mount a night vision device?
The handguard's rigid profile and dual steel anti-rotation QD sockets are specifically engineered to minimize point-of-impact shift when mounting NV devices or other heavy optics. The patented torque plate and reinforced clamping system keep the handguard locked in place without movement.
What's included in the box?
The handguard includes one 5-slot polymer M-LOK rail segment to get you started. Additional M-LOK rail sections and accessory adapters are sold separately.
How does the M-LOK system work?
M-LOK is a standardized slot-based mounting system that accepts compatible rail sections, light mounts, vertical grips, optic bases, and other accessories. The 308 High Combat features M-LOK slots across seven sides of the handguard profile, giving you multiple angles for attaching gear.
