Holosun EPS MRS [green]This red dot uses the Holosun K Series footprint standard. 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