Ade Advanced Optics Tactical Flashlight 1-Inch Offset Picatinny QD Quick Detach/Release Mount for Surefire/Laser/Tactical Flashlights and All 1-Inch Mountable Accessories Will hold any 1" inch tube flashlight or laser with at least 1" of exposed tube body Fits 7/8" Weaver or Picatinny rails and bases as commonly found on ARs and handguns with accessory rails Clamps on and mounts to any Picatinny rail; Constructed of aircraft grade aluminum Lightweight, offset design maintains a low profile Quick detach cam lock installs in seconds