The RMR Mount was designed to work with the Trijicon RMR and SRO . It features a built in non-adjustable rear sight notch that will provide a 1/3 lower co-witness. The rear sight is machined to “P” or 300m on most AK variants.
Also works with:
Blemished mount typically have one or two white dots on top side of mount. See pictures for example.