Reptilia DOT Mount 1.93in Optical Axis Holosun 509T Anodized Black - The 1.93 DOT Mount for Holosun HE509T by Reptilia is a lightweight, slim-line mounting solution for a variety of red dot optics. Machined from billet 7075-T6 aluminum with Milspec Type III hard anodized finish, the 1.93 DOT Mount attaches to any M1913 Picatinny rail to place the optical axis at 1.93 inches above the rail. Its spring-loaded nitrided steel clamp and mounting bolt simplify the installation process, and sit flush with the body of the mount for a low-profile, anti-snag design. Compatible with Holosun HE509T Places the Optical Axis at 1.93in above rail