SPECIFICATIONS MATERIAL: CNC ALUMINUM COLOR: DARK EARTH LENGTH: 10 INCH WEIGHT: 7.1 oz. / 0.44 lbs. FEATURES - UTILIZES CUSTUM BARREL NUT TO MATE WITH UPPER RECEIVER AND 2 ALLEN BOLTS TO SECURE FREE FLOAT RAIL - INCLUDES 5 x QUICK RELEASE SLING MOUNT POINTS - 9 KEYMOD HOLES ON LEFT, RIGHT AND BOTTOM OF RAIL FOR MOUNTING COMPATIBLE RAIL ACCESSORIES - MONOLITHIC RAIL ON TOP TO INSTALL CONVENTIONAL RAIL ACCESSORIES