The holder it comes with should be glued to the side but i didnt want to glue anything to it. Therefore i made a version that simply slides on the rail on the top.
Simply glue the Lower Part to the Top part. To secure it you can use the mounting screw that comes with the fake red dot.
I dont think any print settings are important, the shells should clip into place fairly firm.
The Low Profile version does not hinder aiming through the iron sights (as shown on the picture). In case you need another picatinny rail on top, use that file. Personally i found the low profile version to be the best
The author remixed this model.