The Troy Industries Bravo Battle Rail is a one piece free floating quad rail handguard for the AR-15 series rifles. The Bravo rail is designed to use the standard barrel nut using the Tri-clamp system. This rail can be installed without removing the barrel nut on an upper. The four Mil-Spec picatinny rails offer ample room for mounting grips, lights, and accessories. The forend is machined from T6 aircraft aluminum and anodized with Mil-Spec type 3 hardcoat with Teflon. Made in the USA. . Installation of this rail requires the removal of the delta ring, weld spring and snap ring; this can be done with a rotary tool or by completely disassembling the upper receiver.