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