Uniquefire Tactical Scope Rail Mount 45-Degree 1-Inch 25.4mm Offset Flashlight Mount with QD Quick Release base Accepts flashlights and red dot sights with 1 inch main tube Fits 7/8&#034; Weaver or Picatinny rails and bases as commonly found on ARs and handguns with accessory rails 1 x Mount 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 (The package does not include a flashlight.) Offset design for easier access to tail cap switch. Great for use mounting flashlight to handgun with accessory rail. Brings flashlight closer to boreline. Quick detach cam lock installs in seconds. Also good for mounting backup red dot sight on the side.