The Magpul QDM is a heavy-duty upgrade to standard push-button quick detach sling swivels. The innovative design fits all standard sized QD cups and allows for a lower profile sling swivel that offers one-handed manipulation, a high strength bale that rotates freely,prevents sling rollover, and canalizes sling webbing to prevent rollover, and superior resistance to corrosion with a Melonite finish.Dual side release tabs prevent accidental release.Quick-disconnect sling swivel for 1-1/4webbing.Combine with MS1 Sling for dedicated two-point sling, or with MS1 MS4 Adapter for two to one-point convertible sling.