For Sale cash: AR-15 med. height riser mount $25.00 obo. (You can see what I paid a year ago) used for about 3 months and then put back in original package. Allows for use of a red dot or scope with standard height rings on flat top AR-15. Very solid mount for precision scope setup or allows more placement options for red dot. Send PM to setup purchase. , Face to face in Beaverton/Hillsboro, First with cash gets it.