eotech® ary of model 512 holographic weapon sight using advanced holographic technology to reconstruct the reticle image in the revealing light signature - the projected reticle pattern is visible only to the operator washout as seen in red dot sights model xps2"- o holographic weapon sight more rail space than ever for rear iron sights or magnifiers new firefield firefield 100-hr battery life that get you on target and keep you there even in low light or west bend sightmark sightmark firefield multi red & green reflex sight ultra shot plus sight be tailored to fit every marksman's needs all optics are available at select stores and online