Material and mounting: constructed from quality aircraftgrade 7075 aluminium alloy for strength and light weight; corrosion resistant; ensures secure mounting to any standard 21mm Picatinny/Weaver rail; includes an optical riser mount with 8 slots. Booster height design: booster bracket raises the aiming height to solve obstructed view caused by the low position of the original rail; Picatinny Riser Mount fits any red dot/sight/scope/optical band on a 21mm Picatinny rail and other tactical accessories. Universal compatibility: universal design, compatible with most red dot scopes, holographic scopes, traditional scopes and a variety of accessories on the market; no compatibility issues to worry about. Applications: suitable for hunting, shooting training, and tactical applications; can be an indispensable equipment upgrade for professional setups. Surface and durability: anodised with a grade matte hardcoat to enhance texture and strengthen resistance to abrasion, scratches, and corrosion; suitable for prolonged outdoor use or harsh weather conditions while maintaining a like surface and extending service life. Installation and hardware: equipped with precision machined mounting screws and tools to ensure a simple and quick installation process without the need for complex debugging.