Originally Posted by robocop10mm
It is braille. Glock employs visually impaired assemblers. This is how they identify the proper barrel.
Lmao, sounds plausible for employees, wouldn't be suprised if it was the same guys shooting next to me at the range lastweekend. They creased the wall on their right, then actually hit my target and I was on their left. They apologized, but I still packed up and left. Crazy.