Aircraft Grade Aluminium Construction with a Matte Black Anodized Finish Low Profile, Compact, and Lightweight 3.47″ in length and weighs only 3 oz. Removable Offset Mount Provides 1.60″ Forward or Rearward Offset in addition to the Flashlight Ring’s 1.12″ Vertical or Downward Offset In fact, it comes with 2 Polymer Inserts to Accept 27mm, 25.4mm (1″), or 20mm Flashlight Tube Diameters Adaptable Orientation of Flashlight Ring also allows for Increased Compatibility Across More Firearms, Handguards, Front Sights, etc. Includes M-LOK Steel Locking Nuts, Screws, and Allen Wrench for Simple and User-Friendly Installation, Moreover, it does not require Gunsmithing Material: Aluminium Overall Weight: 3.0oz Pieces: 1 Rail Type: M-LOK Length: 3.47-inch Width: 1.31-inch Height: 2.06-inch Inner Diameter: 0.77 ~ 1.07 inch

Precision machined from aircraft aluminium with a matte black finish spring-loaded posi-lock push button activation automatically deploys sight tower and prevents sight tower from collapsing when deployed uses standard a2 front sight post, interchangeable with other aftermarket posts with equivalent dimension utilizes a single locking torx screw with low profile mounting base and square-shaped integral recoil stops for a secure zero hold and return to zero on mil-std-1913 picatinny rails designed to match mnt-957, Utg acc-sync spring-loaded ar15 flip-up rear sight.