The Midwest Industries G4 Gen 4 M-Series is a one-piece free-float handguard designed for AR-15 platforms. Its 15-inch aluminum body provides M-LOK mounting across seven flats and a continuous Mil-Spec M1913 Picatinny top rail. The handguard includes the barrel nut, barrel nut wrench, torque plate, and a five-slot polymer M-LOK rail section.

Key Specifications

• The handguard measures 15 inches in overall length.
• The one-piece design provides a free-float configuration for AR-15 rifles.
• The handguard is constructed from 6061-T6 aluminum.
• The finish is Type 3 hard coat anodized.
• The design provides seven sides of M-LOK accessory mounting.
• A continuous Mil-Spec M1913 Picatinny top rail supports compatible accessories.
• The included barrel nut is made from 4140 heat-treated steel.
• The package includes a barrel nut wrench and torque plate.
• A five-slot polymer M-LOK rail section is included.
• The handguard is made in the USA and fully dehorned and deburred.

With a slim profile, integrated accessory mounting, and included installation hardware, the G4 Gen 4 M-Series offers a clean, adaptable handguard configuration for compatible AR-15 builds.