Unity Tactical, FAST, Offset Optic Adapter, 2.05" Optical Height, Compatible with UNITY LPVO Mounts, Requires UNITY Optic Specific Plates, Anodized Finish, Black NEW 7075-T6 Aluminum and Type III Hardcoat Anodized 2.05" Optical Centerline Height Compatible with Optic Adapter Plate Product Description The FAST Offset Optic Base attaches to either the forward or rearward mounting holes in the FAST LPVO Scope Mount. Together with a FAST Offset Optic Adapter Plate, it provides a base for attaching any number of mini red dot sights directly to the scope mount. The Offset Optic Base places mini red dot sights at a 35 degree offset from the scope tube for faster transitions. When used with the Optic Adapter Plates, the mini red dot will have a mechanical centerline of 2.05" above the rail.