You guys notice that all the older vents have a little flaw on the outside edge of the vent under the "I" in ILL.? I'll take a closer look at my 22 but it's very clear on my 18.
Quote from: salad on November 01, 2014, 02:57:40 PMYou guys notice that all the older vents have a little flaw on the outside edge of the vent under the "I" in ILL.? I'll take a closer look at my 22 but it's very clear on my 18. there's usually one in the upper left too. sometimes it's a nub that wasn't properly ground off, sometimes it's ground down too far.