The Sig Sauer ROMEO3 MAX & XL Reflex mount is perfect for your project. This mount provides an absolute co-witness sight allowing you switch back and fourth between iron sights and your red dot without changing your cheek weld.#html-body [data-pb-style="62DF82885DAA1"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF82885DAAE"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}