Tacfire AR15 ambidextrous Dual Oval loop sling adapter end plate is constructed of steel for strength and durability. It easily installs in minutes and will replace the original factory reciever end plate. This will allows you to attach a sling from the left or right side so that you can avoid snagging on your clothes or other gear while shooting. It is also great for easy tactical carry when not in use. No gunsmithing is required.