Troys SOCC BattleRail M-LOK Handguards are narrow, sleek and provide exceptional balance and controllability. Lightweight with an ultra-low profile, snag-free design, they are ideal for close quarters maneuverability. Machined from hardened aircraft aluminum with stainless steel components and finished in Mil-Spec hardcoat anodizing, they mount to a standard AR-15 barrel nut (not included).Features :LightweightMil-Spec AnodizedM-LOK cooling holesMounts to standard barrel nut