The Diamondhead V-RS kit includes a proprietary replacement barrel nut that allows for easy installation, and elimination of barrel nut timing issues.  Multiple vents keep your barrel cool and this forend is pre-drilled and tapped for Diamondhead’s accessory rail segments when you want to add additional accessories, lights, etc.  The V-RS Forend requires removal of the delta ring and factory barrel nut and replacement of the existing front sight base/gas block with a low profile gas block.  Length 10.25″ machined from Mil. Spec III andodized 6061 T6 aluminum.  Made in the USA.