The EOTech Model 518^TM Holographic Sight is a red dot sight system designed to provide accurate aim while taking up minimal rail space. This EOTech sight has a 1 MOA red dot reticle with a 68 MOA circle with 20 daylight brightness settings for use in variable light conditions. The QD lever on the Model 518 sight allows for easy attachment to both Weaver and Picatinny rails. Side adjustment buttons and a compact design minimize the sight's footprint, allowing for easier use with a sight magnification device. Powered by AA batteries, the EOTech Model 518^TM Holographic Sight offers a compact sighting solution with quick target acquisition.