Anarchy Outdoors Ruger 10/22 Scope Base, 15 MOA, Black, 791617489639

It comes with a removable bubble level so you can level your rifle without coming off the trigger. Its also compatible with all scope rings and comes in two different Minutes of Angle options.Two Scope Base Minutes of Angle OptionsThe Ruger 10/22 Scope Base comes in either 15 or 30 MOA.