I should take offense at that. grin

Neither have a mill nor am a gunsmith. Have modified bases with hand tools and a drill press and they came out fine. Not economical, took a lot of time and patience to make it come out right. But it can be done. One of those projects you do just to see if you can.

The key elements in human thinking are not numbers but labels of fuzzy sets. -- L. Zadeh

Which explains a lot.