This is a Midwest Industries Handguard known as the Gen 4 M-Series, model MI-G4M13.375.
This Midwest Industries handguard features a continuous MIL-STD 1913 Picatinny top rail" Seven Sides of M-Lok and is made of 6061 Aluminum Type 3 Hard Coat Anodized.
Features:
6061 Aluminum
Type 3 Hard Coat Anodized
Barrel Nut and Wrench Included
