I've used a few different things in the part. the nightforce 2.5-10x32 with an rmr at a 45 is probably my favorite, you could do the same thing with an atacr 4-16x42. have also used the swarovski and trijicon 1-6, the trijicon vcog, the vortex 1-6x24 razor, and the kahles 1-6. any of the...