Ade Advanced Optics 45-Degree 30mm Offset Flashlight Mount with QD Quick Release base Accepts flashlights and red dot sights with 30mm/1.25" main tube Fits 7/8" Weaver or Picatinny rails and bases as commonly found on ARs and handguns with accessory rails Offset design allows easier access to flashlight tail cap button switch Made of solid aluminum alloy to withstand shock and recoil Quick detach cam lock installs in seconds