Magpul Industries MS1® MS4® Adapter (coyote tan) Combine with the MS1 Sling and QD Sling Swivel to provide two to one-point convertibility. Melonite™ and manganese phosphate finished steel with custom snag-free high durability 1-1/4" webbing. Made in U.S.A. Features Combine with the MS1® Sling (MAG513) and QD Sling Swivel (MAG540) to provide fast transition between one-point and two-point configuration Heavy-duty push-button QD Sling Swivel for one-point attachment Light weight yet durable hardware made with hardened Melonite™ and manganese phosphate finished steel QD Sling Swivels and ambidextrous QD shackle allows easy convertability and provides weapon quick-release capabilities in an emergency Custom 1.25 inch wide nylon webbing material is strong and wear resistant while remaining anti-chafe for user comfort Colored webbing has Near Infrared (NIR) treatment to reduce IR signature Sling Assembly Mounting REAR - Works with receivers, end plates, and buttstocks that have a push-button QD socket for one-point attachment. FRONT - Using optional QD Sling Swivel, compatible with the Magpul RSA®-QD and Forward Sling Mounts, as well as most other push-button QD sockets for use in two-point mode Manufacturer: Magpul Industries MFG Number: MPLMAG519COY UPC: 873750010830