I saw a M frame (black/strike lense) and a M frame 3.0 at a SGH on my vacation last week in DE...
The Industrial M Frame and Standard Issue M Frames (1.0, 2.0, and 3.0) are all still sold. Lens options will be Grey, Clear, Black Iridium, Prizm TR22, Prizm TR45, Persimmon, and maybe a couple others.