Midwest Industries MIG4M105 Tactical G4M Handguard Aluminum Black Anodized AR-15
This G4 10.5" One Piece Free Float Handguard is M-LOK compatible. It features a 4140 heat treated barrel nut and torque plate. It has a super slim 1.5" outside and 1.3" inside diameter. It has a continuous MIL-STD 1913 Picatinny top rail. 100%.