AR15 Quick Detachable Receiver End Plate; Designed for Standard Mil-spec AR15 Lower Receiver; Solid Steel Construction with a Matte Black Finish; Unique Low Profile Design Allows Operation of Most Collapsible Stocks in All Positions Including Being Fully Collapsed; Accepts Any Quick Detach Sling Swivel with 0.37" Diameter Swivel Stud; QD Sling Swivel Housing Designed with Quarter-turn Rotational Over Travel Stops to Restrict Swivel Movement and Prevent Binding Against the Buffer Tube and Sling Tangling; Simple and Friendly Installation, No Permanent Modification Required