American Defense Mfg. AD-AEMS, Optic Mount, Lower 1/3 Height, Anodized Finish, Black, Quick Release, Fits Holosun 510C AD-AEMS-11-STD The American Defense Manufacturing AD-AEMS Optic Mount is a versatile mounting solution designed to fit a variety of red dot optics, including the Holosun 510C. It features a lower 1/3 co-witness height that is ideal for a comfortable shooting position and improved sight picture. The mount is constructed from durable aluminum and features an anodized black finish, which provides corrosion and wear resistance. It is precision machined to provide a perfect fit for the Holosun 510C optic, ensuring a secure attachment to your firearm and preventing any movement or shift during use. The quick-release mechanism of the AD-AEMS Optic Mount allows for easy installation and removal of the optic without the need for tools. This feature is particularly useful for those who frequently switch between different optics or need to remove the optic for cleaning or maintenance. Overall, the American Defense Manufacturing AD-AEMS Optic Mount is a reliable and sturdy mounting option for the Holosun 510C optic, providing a high-quality solution for those who demand the best in performance and durability. The lower 1/3 co-witness height is preferred by some shooters who want to have a backup iron sight in the lower 1/3 of the optic.