Fortis Rail Attachment Point (RAP) | AR15 Sling Mount | Wing Tactical
Rail Mounted Fixed Loop (RMFL) - Sling Hardware
Amazon.com: Blue Force Gear Rail Mount Loop | Secure Picatinny Sling Mount Installation | Aluminum and Hard Coat Anodized Picatinny Rail Swivel | Picatinny Rails Compatible | 1 inch Sling Webbing : Sports & Outdoors