GG&G, Inc. Multi Purpose End Plate, Fits AR15, Anodized Finish GGG-1224A The GG&G Multi-Use Receiver End Plate Sling Adapter For Collapsible Stocks (MURP) will accept up to 1 1/4 inch webbing for traditional sling attachments" and has a special annular feature that allows those slings with HK style snap hooks to be used without having to change out the receiver end plate sling adapter.