The Midwest Industries Combat Rail is constructed from 6061 aluminum, and type 3 hard coat anodized for a lifetime of service. It has a lightweight design with a slim profile, as well as a true free float design. It has three built in anti-rotation QD sockets, 8 sides of M-Lok slots, and 5-slot polymer M-Lok rail included. The Combat Rail is fully dehorned for a non-abrasive, comfortable feel and comes with mounting bolt and wrench.