Thank you for your interest! In my very well educated opinion, MRDS are in some ways superior to the RMR. With the MRDS, you get an even lighter optic that enables you to swap batteries WITHOUT having to remove the optic.
If you are outside of the U. Or are not a U. Citizen, please don't bother. The item "Genuine EOTech Mini Red Dot Sight MRDS, 7 MOA, Black Insight Technology, RMR" is in sale since Wednesday, July 26, 2017. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser Scopes".
The seller is "sheepdoggear" and is located in Demotte, Indiana. This item can be shipped to United States.