The Primary Arms SLx Microdot Mount offers a tall 2.26" optical centerline height perfect for use with night vision or those who prefer a more heads-up shooting position. This tall red dot sight mount features a rugged yet light weight design constructed from 6061-T6 aluminum with steel hardware and recoil lugs to keep your optic zeroed. It is compatible with standard microdot footprints for compatibility with a wide range of red dot sights including the SLx MD25. The SLx 2.26" red dot mount also allows the use of back-up iron sights due to the skeletonized design. If you are looking for a feature rich mount, then you can't go wrong with the Primary Arms SLx 2.26" red dot mount.