Daniel Defense Rail Mount QD Attachment Point w/ Swivel + Free Shipping - Milspec Retail,Daniel Defense Rail Sling Mount QD Swivel Attachment Point w/Swivel (03-021-30029),Daniel Defense Rail Sling Mount QD Swivel Attachment Point w/Swivel (03-021-30029),Rear Receiver QD Swivel Attachment Point with Swivel | Daniel Defense,M-LOK QD Swivel Attachment Point | Daniel Defense