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 is Near Infrared (NIR) resistant 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 soc...