The Holosun SCS-Carry Reflex Sight offers the lowest profile deck height for use with standard height iron sights. The SCS combines solar power, rechargeable internal power storage, low battery level indicator, and an auto adjusting brightness system to potentially operate indefinitely in multiple lighting conditions. FeaturesMultiple reticle systemIncludes RMSc-to-K Adapter PlateSelf adjusting parallax-free Unlimited eye relief