The Firefield Fringe 10 Inch Carbon M-LOK Rail features a slim skeletonized carbon fiber body with an aggressive design robust enough to handle all M-LOK attachments. The Fringe rail features numbered rail slots to help with re-zeroing when remounting. Also included are QD sling sockets to quickly attach a sling to the rail on left or right side. The Fringe M-LOK rail accepts most Picatinny, NATO, and Weaver sized attachments.