So, the SLIGHTEST delay with the M90.
Right now, the iron sights use glow in the dark plastic to illuminate. They look incredible. However, I want to see if I can work-in the wire channels and space for LED illumination. Won't take more than a day or so to test. If it works, awesome. If not, the glow in the dark is still legit. (Pictured here)
A Quiet Place director John Krasinski claims the film was almost entirely inspired by his first time going through the Gorgons' Labyrinth in the Destiny Vault of Glass raid:
"I had to be really quiet, that's what inspired the film."