The Q LLC Q-Sert AR Handguard is an ultra-lightweight 15 free-float rail for the AR Style platform. Precision-machined from 6061-T6 aluminum with a Clear Coat Anodized finish, it weighs only 9.30 oz. The system features dual compatibility with proprietary Q-Sert and standard M-LOK accessories. This 15 rail includes a continuous MIL-STD 1913 Picatinny top rail and ships as a full kit with a vertical grip, barricade stop, barrel nut, and drive tools for installation. Note: This featherweight 15-inch rail is engineered to significantly reduce front-end weight while maintaining the rigidity required for mounting lasers and optics.