EOTech 512 Holographic Weapon Sight The EOTech 512 HOLOgraphic Weapon Sight (HWS) is the 1st electro-optic sighting system to apply holographic technology to small and medium-sized weapon platforms. When used in Close Quarters Battle (CQB) environments, the EOTech 512 delivers amazing speed and accuracy gains, uncompromising use of peripheral vision, leaves no muzzle-side optical signature and is packaged in a compact, durable unit. Now deployed with elite Special Forces and SWAT teams the world over, the EOTech 512 delivers vastly improved shooting performance for all levels of operators. AA Battery model (supports Lithium and Alkaline) 65 MOA circle with 1 MOA aiming dot reticle pattern Includes rugged aluminum hood assembly and knobbed, tool-less mounting bolt Interfaces to standard 1" Weaver dovetail / Picatinny rail