The Daniel Defense Rear Receiver QD Swivel Attachment Point is the perfect addition to any AR-15. This ambidextrous sling swivel mount provides a quick and easy way to shoulder your weapon, with limited sling rotation to prevent tangles and catching. The QD sling swivel cup is centrally located for easy transitions, and the whole unit is machined from steel with a heavy phosphate finish. It’s also incredibly lightweight, weighing less than one ounce. So whether you’re in the field or at the range, you can count on the Daniel Defense Rear Receiver QD Swivel Attachment Point to make shouldering your weapon a breeze.