The Holosun 507 Comp holographic sight delivers precision targeting with multiple reticle options and RMR/SRO standard footprint compatibility for versatile mounting solutions.Holosun 507 Comp Holographic Sight2.00 MOA dot size with 32 MOA circle dot reticle optionsRMR/SRO standard footprint for broad compatibilityCR2032 battery powered operationCompact design: 1.80 inches length 2.65 ouncesDurable black matte finishMount sold separatelyIdeal for tactical applications competitive shooting and hunting where fast target acquisition and reticle versatility are essential for accurate shot placement.