The manufacturer's web site does not address that issue. I suggest you contact Bud's customer service using the blue "Chat Now" button and ask your question, or contact ATI directly at 800-290-0065, in order to get an accurate answer.

Richard, No QD mount on brace. Does have the three angled slots to install a sling swivel of your choice. Weather it is QD or mechanically fastened.

Richard, just the 3 slots on the brace. Most add a Quick Detach (budsgunshop.com/catalog/product_info.php/products_id/714002090/ergo+double+loop+sling+plate) as pictured here : google.com/search?q=ar+pistol+blade+sling+attachment&tbm=isch&source=iu&ictx=1&fir=cdpmCXGHwQamUM%253A%252ClDPwTiJi7ROqDM%252C_&vet=1&usg=AI4_-kQSqF6Ghp9odYr9JeOpuk_Umnsu2A&sa=X&ved=2ahUKEwjMiJm1vbjjAhVaHs0KHaVkASwQ9QEwA3oECAQQBg#imgrc=GBVGwspjgu4XWM:&vet=1

Richard, just the 3 slots on the brace. Most add a Quick Detach as pictured here : google.com/search?q=ar+pistol+blade+sling+attachment&tbm=isch&source=iu&ictx=1&fir=cdpmCXGHwQamUM%253A%252ClDPwTiJi7ROqDM%252C_&vet=1&usg=AI4_-kQSqF6Ghp9odYr9JeOpuk_Umnsu2A&sa=X&ved=2ahUKEwjMiJm1vbjjAhVaHs0KHaVkASwQ9QEwA3oECAQQBg#imgrc=GBVGwspjgu4XWM:&vet=1