If that’s the case, there is a Green Dot variant unlocked ... purple variation of the reticle. Another reticle for the larger ...

The M150 is an Advanced Combat Optical Gun sight (ACOG) designed for the US ... and the fiber optic self-adjusts reticle brightness during daylight according to ambient light conditions.

As you can see, the sight is a little bulky and will block some of your peripheral vision, but it's more open then the ACOG and other optics like the red dot sight. The reticle is a little messy ...