Talley 1 in Quick Detachable Ring w/ Lever Ex-High Color Case Hardened Color Case. Constructed from hardened Chromoly steel the TSR-1 is made to last. Built with an offset lever the TSR-1 is designed to not pull the scope loose when removing it. Built with the strength of steel the TSR-1 will one if not two scopes onto the same mount. In addition to the added stability a solid lock down provides when shooting with a light weight and accurate platform for long-term use. If you are looking for a dependable and repeatable way to mount your optic of choice to your AR then the TSR-1 is the mount for you Specifications for Talley 1 in Quick Detachable Ring w/ Lever Ex-High Color Case Hardened: Manufacturer: Talley Finish: Matte Base/Mount Type: QD mount Ring Height: 0.6 in Tube Diameter: 1 in Ring Quantity: Pair Fabric/Material: Chromoly Steel Weight: 4 oz Country of Origin: USA Package Contents: Talley 1 in Quick Detachable Ring w/ Lever Ex-High Color Case Hardened Talley CCH500006: 1 in Quick Detachable Ring w/ Lever Ex-High Color Case Hardened Color Case