Pure Precision 4" Picatinny Rail with Sling Swivel Tang
Sling Swivel Vector Optics Picatinny Mount
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