EBR DETACHABLE CANTILEVERED SIGHT BASE MODEL: M14DCSB The M14DCSB (Detachable Cantilevered Sight Base) is specifically designed for use on Mil-Spec M1/M14 rifles that are installed in a SAGE EBR Chassis Stock System. It is machined from aircraft grade aluminum and features a steel stripper clip insert with stainless steel screws. Installation requires no modification to the rifle. Picatinny rail bridges the action to the rear sight Adjustable for oversized or undersized rails Sight base is supported on both ends Positive rail engagement is achieved by two (2) robust actuating cams Actuating cams can be locked in the closed position Made in the U.S.A.