Midwest Industries Combat Handguard M-LOK 4.5-inch

The Midwest Industries Combat Handguard M-LOK 4.5-inch is a one-piece free-float rail designed for AR-style rifles. Machined from 6061-T6 aluminum with a Type III hard coat anodized finish, it provides a slim profile while offering multiple attachment points. A continuous MIL-STD 1913 Picatinny top rail and seven sides of M-LOK let you mount optics and accessories where you need them. The handguard ships with a 4140 heat-treated barrel nut, torque plate, wrench, and a 5-slot polymer M-LOK rail and includes two integral anti-rotation QD sling sockets.

Key Specifications

• The handguard measures 4.5 inches overall length.
• Constructed from 6061-T6 aluminum with a Type III hard coat anodized finish.
• Features a continuous MIL-STD 1913 Picatinny top rail.
• Provides seven sides of M-LOK accessory mounting.
• Includes a 4140 heat treated barrel nut.
• Utilizes a patented 4140 heat treated torque plate.
• Ships with a 5-slot polymer M-LOK rail.
• Equipped with two integral anti-rotation QD sling sockets.
• Delivered fully dehorned and deburred for a refined fit and finish.
• Made in USA and backed by an MI Lifetime Warranty.

For builders and shooters seeking a compact, durable free-float handguard, the Midwest Industries Combat M-LOK 4.5-inch combines a slim profile with extensive modularity. Its full-length top rail supports optics and backup sights while the multiple M-LOK flats and included hardware simplify accessory mounting and installation—providing a practical, rugged platform component for AR-style rifles.