DD MFR XS 9.0 M-LOK Rail Black

Free floating barrel design. Light weight. Steel barrel nut. Uninterrupted Mil-Spec 1913 picatinny upper rail. M-Lok attachment at 7 different positions. Ambidextrous sling swivel attachment points. Patented bolt-up mounting system. Aircraft Grade 6061-T6 Aluminum. Mil-Spec Type III hard coat anodized finish. Grade 8 Military Specification fasteners. Made in the USA.