Switchview USA™ lever model 1811SV.
Vortex – Viper PST Gen II
Other scopes with similar dimensions.
Fits scope magnification rings with an outside diameter of 1.811″ plus/minus .02″ with no indexing bump.
Specs: Lever length: .880”.
Ring diameter 1.811″ round – NOTE, fits only on round scope rings with no index bump/knob.
The lever needs .125″ of clearance between the scope body and the nearest object for proper operation.
Color: Anodized Flat Black.