Midwest Industries G4M 10.5-inch M-LOK Free-Float Handguard

The Midwest Industries Gen 4 M-Series G4M 10.5-inch handguard is a one-piece, free-float M-LOK compatible for AR-15 platforms. It features a continuous MIL-STD 1913 Picatinny top rail and M-LOK accessory slots on multiple flats to support modular accessory layouts. Constructed for a slim profile, the handguard uses 6061 aluminum with a Type III hard coat anodized finish and ships with a 5-slot polymer M-LOK rail section, barrel nut, wrench and torque plate.

Key Specifications

• The handguard length is 10.5 inches.
• The outside diameter measures 1.5 inches.
• The inside diameter measures 1.3 inches.
• Constructed from 6061 aluminum with a Type III hard coat anodized finish.
• Features a continuous top rail built to MIL-STD 1913 (Picatinny).
• M-LOK accessory mounting is provided on seven flats along the handguard.
• Includes a 5-slot polymer M-LOK rail section for accessory placement.
• Supplied with a 4140 heat-treated barrel nut and torque plate.
• Design is a one-piece free-float handguard for AR-15 platforms.
• Incorporates four anti-rotation QD sling swivel mounting points.

With its slim profile, continuous top rail and comprehensive accessory compatibility, this handguard provides a durable, lightweight platform for modular setups on AR-15 rifles. It balances a low-profile ergonomic feel with full-length sighting capability and multiple attachment options for range, training, and field configurations.