Ultimate Arms Gear Ambidextrous Slip On Stock Buttstock Black Sling Mount Strap Loop Adapter Rifle Shotgun Attachment with D-Ring For ATI German Sports Gun GSG5 GSG-5 MP5 Savage Axis 99 Constructed of Heavy-Duty Tough Nylon Webbing with D-Rings. Configures any Rifle/Shotgun to Accept A Sling. Strap Is 12" Long to Wrap Around the Buttstock. Allows for Easy Access and Moving of Sling to Accommodate Any Situation. Simply Slide And Adjust Onto Buttstock, Easy Installation, No Gunsmithing Required.