Riton Optics 34mm QD Cantilever Riflescope Mount Black. The 6061-T6 aircraft-grade aluminum construction perfectly balances the typically competing needs of being lightweight and durable. The QD throw levers use an integrated trigger-release mechanism to prevent accidental release. Rail tension can be adjusted opposite the throw lever with a locking nut design. When you need a QD mount that will do everything you need it to without busting your build budget the Riton QD Mount is your go-to option. Specifications for Riton Optics 34mm QD Cantilever Riflescope Mount: Manufacturer: Riton Optics Fabric/Material: 6061-T6 Aluminum Color: Black Base/Mount Type: Top Mount Tube Diameter: 34 mm Ring Height: 1.79 in Attachment Type: Quick Detach Handle Color: Black Finish: Black Features of Riton Optics Mount 34mm Cantilever Black Quick Detach: 34MM Cantilever Package Contents: Riton Optics 34mm QD Cantilever Riflescope Mount Allen key Riton Optics X34QD: 34mm QD Cantilever Riflescope Mount Black