QD Sling Swivel Push-button quick-detach sling swivel MAG540 Push-button quick-detach sling swivel for 1-1/4″ webbing, compatible with QD sling attachment points. Manganese-phosphate finished steel. Combine with the MS1 Sling for a dedicated two-point sling, or with an MS1 MS4 Adapter for a two to one-point convertible sling. Made in the USA.
