Features

• Free float.
• Weight (without hardware): 3.95oz
• Hardware weight: 2.7oz
• Made from 6005-T651 Aluminum.
• Inside diameter: 1.6″
• Outside diameter: W-1.8″ H-2.16″
• Engineered with advanced ergonomics for comfort and improved performance. Accessory rails can be placed at 3, 6, and 9 o’clock positions and can be joined to create continuous Pic Spec Rail. Four or more QD attachment points. Made to fit Magpul QD.
• Engineered to allow for low profile gas block to fit inside.

Installation

• Remove previously installed products. Leave the barrel in the upper receiver. (If the barrel is removed, align the small pin located on the barrel extension with the cutout in the upper receiver threads).
• Slide the forend adapter over the barrel. Screw onto the upper receiver. Align the gas tube hole in the upper with the gas tube hole in the adapter.Insert the reduced side of the alignment pin into the gas tube hole in the adapter through to the receiver.
• Apply Vibra-Tite to the barrel nut, as per Vibra-Tite instructions.
• Slide barrel nut over the barrel, screw the nut into the forend adapter, keep the adapter and upper receiver gas tube holes aligned with the alignment pin.
• Torque the barrel nut to 50 ft. lbs. Then remove the alignment pin and use pliers if necessary.
• Slide the forend over the forend adapter. Align the screw holes on the adapter and install screws.
• Accessory rails can be installed anywhere along the forend using the screws provided.