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The 1/3 lower DOT Mount  is a lightweight, slim-line mounting solution for a variety of red dot optics.   

Machined from billet 6068 aluminum / hard anodized finish, the 1/3 lower DOT Mount attaches to any

M1913 Picatinny rail to place the optical axis at 1/3 lower 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.