Surefire Rear Cap Assy M6xx Surefire Replacement Rear Cap Assembly, Fits M6xx Scoutlight Series, Includes Sr07 Rail Mount Tape Switch, Finish Ue-sr07-bkproduct Type: Capfinish/color: Blackfit: M6xx Scoutlight Seriesaccessories: Sr07 Rail Mount Tape Switchdescription: Replacement... Regular: Sale: You Pay: Blowout: $142.15 Choose Options Compare