Caldwell 390501 AR Receiver End Plate Sling Mount Steel Black
https://www.tandktactical.com/shop/661120905011-caldwell-390501-ar-receiver-end-plate-sling-mount-steel-black-1299
https://www.tandktactical.com/web/image/product.template/1299/image_1920?unique=78eac8f
This AR Receiver end plate is ambidextrous for all shooters, is made from steel and accepts snap hook style attachments.