Fits:? Burris M-TAC 1-4? Horus Blackbird 1.5-8? Hawk? Talon 1-4? Meopta Meostar? Millet DMS 1-4, 6-25? Nikon M223 3-12? Swarovski Z6i? Valdada IOR-CQB 1.5-8, 1.1-4? Vortex Razor HD w/ rubber magnification ring? Vortex Viper w/ metal magnification ring: PST, HS-T, HS LR, HS models.? Viper XBR crossbow scope? Diamondback HP riflescopeSpecs:? Lever length: .880"? Ring diameter: Variable - 1.720 - 1.760" not including dimensions for the scope's index nub if present.? Color: Anodized Flat Black. MGM Switchview 172-176SV1 Throw Lever