The Uncle Mike's Quick Detach 115 RGS Tri-Lock Swivel is designed for easy detachment while preventing the metal swivel body from contacting the gun. This model includes a 1/2-inch deep-threaded wood screw and a forend base for secure attachment to your rifle.Key FeaturesQuick Detach Design: Allows for easy attachment and detachment from your rifle.Secure Attachment: Comes with a 1/2-inch deep-threaded wood screw and forend base.Loop Size: Features a 1.25-inch loop for compatibility with various sling systems.