My 2¢, FO green front, red rear.
Any chance you could post a photo of your installation?Negative...
I am using a Williams Fire Sight Ghost Ring rear insert and a fire sight front bead
https://rg4arms.net/williams-fire-s...MI-93k2a3d3wIVj7fACh1XNwKCEAQYASABEgJEbPD_BwE