Midwest Industries MIG4M13375 Tactical G4M Handguard AR-15 Black Hardcoat Anodized Black 13.3″ 6061-T6 Aluminum M-LOK

This G4 13.3″ 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 10.3″ inside diameter. It has a continuous MIL-STD 1913 Picatinny top rail. 100% Made in the USA.