Midwest Industries MICRLW12625 Combat Lightweight M-Lok Handguard AR-15 Black Hardcoat Anodized 6061-T6 Aluminum 12.625" Made In USA, The Combat Lightweight M-Lok Handguard features a Lightweight Design With a Slim Profile. It Is constructed Of 6061 Aluminum With a Continuous 1913 Picatinny Top Rail, Two Integral Anti-Rotation QD Sling sockets, And Seven Sides Of M-Lok. This Free-Float Handguard Also Utilizes a 4140 Heat Treated Barrel Nut, 4140 Heat Treated Torque Plate, And Is Fully dehorned And deburred. It Includes a Barrel Nut, Wrench, And 5-Slot Polymer M-Lok Rail. Firearm Model: AR-15 Material: 6061-T6 Aluminum Finish: Black Hardcoat Anodized Features: M-LOK Rails: Picatinny Swivel Studs: Quick Detach Free Floating: Yes