LaRue Tactical RMR QD Mount Black. In doing so we offset the optic slightly to the left..no problem when using on top of the ACOG MGO. Note: this mount will not cowitness properly with irons when used on a flat top as a primary optic). Combo comes complete with QD adjustment wrench and Instructions. NOTE: This mount is designed specifically for the Trijicon TA648MGOs upper rail ONLY IT WILL NOT WORK PROPERLY ON ANY OTHER CONFIGURATION Specifications for LaRue Tactical RMR QD Mount: Manufacturer: LaRue Tactical Color: Black Package Contents: LaRue Tactical RMR QD Mount LaRue Tactical LT726: RMR QD Mount Black