Ultimate Arms Gear Machined Aluminum 1.25 inch Loop Deluxe Push Button QD Quick Detach Rotating Strap Swivel With Weaver Picatinny Mount Base Made From Aircraft Grade Aluminum - Constructed For Military, Law Enforcement, Teams & Hunters Simple Push Button To Detach Swivel From The Mounting Base - Allows Fast Operation. Allows Attachment Of Straps With Hooks, Cords, Or Swivels. Mount Attaches Easily To A Standard 7/8" Weaver - Picatinny - Allen Wrench Included. Great For Rifles- Shotguns- Even Paintball & Airsoft With A Weaver-Picatinny System.