Printed in PETG at 60% infill. .2 mm layer height. I would not recommend PLA.
I tried this mount on a H&K SL8 .223 succesfully.Hold zero pretty well,
6x M4x40mm with 7 mm nuts,
3x M6x40mm with 10mm nuts
Feel free to improve! It was a lot of fun testing it on the range.