AGM Front Scope Mount is the optional adapter to install the clip-on device onto day optics with 62 mm objective diameter. This adapter is compatible with the Comanche-22, Victrix TC, Anaconda TC series clip-ons (NOTE – NOT COMPATIBLE WITH RATTLER SERIES CLIP ON’S).Use the optional Front Scope Mount o attach a clip-on device to the front lens of a daytime optic. The mount must fit with the day optics front lens diameter. There are optional mounts for 25.4-30 mm, 38-42 mm, 46.7-50 mm, 56-58.7 mm and 62 mm objective lenses diameter. DIAMETER OF THE INSERTS: 25,4 mm; 30,0 mmCLEAR APERTURE OF DAY SCOPE LENS: 20 mm; 24 mmEXAMPLE OF THE SCOPES: Leupold 1.5-5x20 PR (62,0 mm insert)Leupold 1.5-5x20 MR/T M2 (62,0 mm insert)Zeiss 1.1-4x24T (62,0 mm insert) AGM Comanche 22/Victrix/Anaconda Daytime Optics Front Scope Mount #5 w/62mm Obj Diameter 6606SM51