DD M

Free-floating DD M4 rail with enhanced design for AR-15 style weapons. Machined one-piece design uses patented Bolt-Up System, requiring only four bolts. Front and rear sling swivel attachment points integrated into left and right side rails. Steel barrel nut. Mil-Spec 1913 picatinny rails. Barrel nut wrench and Allen wrench supplied for installation. Aircraft grade 6061-T6 aluminum construction with mil-spec Type III hard coat anodized finish. CNC machined. Made in the USA.