10 Ring Sylvan Arms QD Rail Sling Mount Black. This allows for ease of attaching most any sling-type and design. With the QD MLOK easily switch between setups without the use of tools. With Sylvan's QD Sling Attachment you can easily move your sling attachment point between MLOK slots on your rail for the perfect positioning no matter the activity. Ideal for moving between vehicles helicopters or if you just want to go from a battle ready rifle to a clean sling-free set up for storage or otherwise. Specifications for Swampfox Sylvan Arms QD Rail Sling Mount Black 3266AF89: Manufacturer: Swampfox Color: Black Fabric/Material: 6061-T6 Aluminum Weight: 1 oz Finish: Anodize Package Contents: Swampfox Sylvan Arms QD Rail Sling Mount Black Sylvan Arms Quick Detach Sling Attachment is the first of it's kind to offer QD capabilities along with the option to utilize either a QD sling attachment point or a standard clip sling attachment. This allows for ease of attaching most any sling-type and design. With the QD MLOK easily switch between setups without the use of tools. With Sylvan's QD Sling Attachment you can easily move your sling attachment point between MLOK slots on your rail for the perfect positioning no matter the activity. Ideal for moving between vehicles helicopters or if you just want to go from a battle ready rifle to a clean sling-free set up for storage or otherwise. QDR200