This is exactly what I needed to fit a Smith & Wesson Equalizer. As stated in the Freedom Gorilla online article, The Holosun EPS Carry MRS fits the MOS slide cut from the factory and does not require the plate. This keeps the sight closer to bore hight. The fact that Holosun added the solar panel to this smaller sized optic is a big plus IMO. The green circle and dot are easy to pick up. With free, FAST shipping from Freedom Gorilla, there is no need to shop around or use the “big box online, we buy everything from China” website. I’d rather give my business to U.S. military veterans.