LWRC 2000072A01 LWRCI Quick Detach Swivel Black This unique design features ambidextrous quick detach sling mounts and two set screws on the bottom of the unit. The first screw is a dog point screw that fits in the groove on the bottom of the buffer tube ensuring consistent alignment. The second, a pointed tip screw when installed grabs the castle nuts and eliminates the need to re-stake the castle nut. Includes one Daniel Defense quick disconnect swivel. Type: Sling Mount Swivel Size: Quick Detach Length: N/A Color: Black Material: Metal Includes: QD Swivel