Item Description *******Instant Credit Card Checkout********* *****FAST & FREE SHIPPING************** 15″ M-Lok Free Float Quad Rail Handguard for AR15 Features: Steel barrel nut and all mounting hardware included 6 bolts on system for easy assembly, shims are included. Type III hardcoat anodized 6061 aluminum construction Built-in QD mounts Full Picatinny rail on top and M-Lok….