The Midwest Industries Ultra Lightweight One Piece Free Float M-LOK Handguard is constructed of rugged 6061 aluminum with a type 3 hard coat anodized finish. It features short Picatinny rail sections at the 12 o'clock position for the addition of backup iron sights, M-LOK mounting slots on 7 flats along its length, a pair of anti-rotation QD sling swivel sockets and an ultra lightweight titanium barrel nut and mounting screws.