Combine with the MS1 Sling (magpul's 513) to provide fast transition between one-point and two-point configuration. Heavy-duty, manganese-phosphate finished paraclip for one-point attachment. Light-weight yet durable hardware made with hardened steel and heavy-duty polymer. 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 options / ideas for the paraclip: REAR - Works with receivers, end plates, and buttstocks that have a push-button QD socket for one-point attachment. FRONT - Compatible with the Magpul RSA, MSA nd Forward Sling Mounts, as well as many snap-hook style sling loops and standard or QD sling swivels for use in two-point mode.