I thought it was pretty much common sense, seeing as the photo I was replying to was of a M4. M16's weren't even in the discussion, you just posted a photo of something completely irrelevant trying to look clever, and, well, it kind of back fired.
So, let me clear this up for you as that bump was obviously more severe than I first thought.
M16A1 + 203 = Correct.
M16A2 + 203 = Correct.
M4 = Wrong.
M4 + 203 = Wrong.
M4 + UGL = Wrong.
L119A1 + 203 = Wrong.
L119A1 + UGL = Correct.
My post was correct. Yes, it was worded slightly wrong, but that was du