The EPS-GR-MRS is a full-sized, enclosed handgun sight featuring an aspheric lens for a perfectly clear sight picture. EPS-GR-MRS has an ultra-low dot height for compatibility with most factory iron sights and utilizes Holosuns proven K footprint. EPS-GR-MRS includes an RMR-to-K footprint adapter plate for maximum compatibility.EPS-GR-MRS features Holosuns 650nm Green Super LED with Holosuns MRS (Multi-Reticle System) and provides up to 50k hour battery life from a 1620 cell. EPS-RD- MRS also includes Shake Awake technology, 8 daylight and 4 night vision compatible reticle intensity settings. EPS-GR-MRS is made of 7075 aluminum and is IP68 dust and water proof.