The GG&G / Receiver End Plate Sling Mount With Custom Heavy Duty Quick Detach Sling Swivel* installs directly behind the receiver and provides fast Quick Detach Sling Swivel capability. Package includes Custom GG&G Heavy Duty QD Sling Swivel With Enhanced Tactile Push Button. The QD swivel will accommodate sling webbing up to 1 1/4". Features Easy to install Sling Swivel places sling in optimum position. Sling Attachment can be used in a two point sling set up or as a single point sling attachment. GG&G Enhanced Heavy Duty QD Sling Swivel is ambidextrous. Manufactured from 4140 ordnance steel and manganese phosphated matte black per mil-spec.