Ultimate Arms Gear Tactical Precision Machined Alumimum Rifle Sling Swivel Stud To 5 Slot Weaver Picatinny Grip Bipod Light Laser Rail Adapter Mount
To Install onto your rifle's stud : Loosen the front screw; slide the U shape wedge in the adapter to the far end (towards the screw). - Put the adapter over the sling stud. - Insert the pin through the sling stud hole. - Fully tighten the screw and make sure the two tips of the wedge are underneath the pin.