Remix of Air_'s sight. Requires an M5x35 or M5x40 stainless SHCS to replace the factory M5x25 case screw.
Easier to print as the model is in the correct
...Plus orientation, and no supports are needed due to the enclosed sight tube, which also adds ruggedness.
Also available, Picatinny/Dovetail Rail Mount:
https://www.thingiverse.com/thing:3142671
