Ultimate Arms Gear IDF Israeli Defense Forces Pair of Slip On Black Loop Adapter Attachment with D-Ring + Sling, Black For AR15/AR10/M4/M16/A2/A1 Package Includes: Mount Loop with D-Ring + Two-Point Sling, Black. Includes 2 Adapters. Allows for Easy Access and Moving to Accommodate Any Situation. Simply Slide Through Hole and Loop Back Around, Easy Installation. Premium Weatherproof For Every Solution. Superior Quality Metal Hook.