Quote Originally Posted by cavelamb View Post
Maybe more information would help.

How Rugers are Made - Part 1 (of 10 or so?)

Fascinating stuff here.

Wax Molding and Gating


https://www.youtube.com/watch?v=ZBYw1CT2JiU
Somewhere, there's a Para video showing the same thing... a truly fascinating process. Most people imagine casting in more basic forms (like sand-casting) but this method, which is almost as old, is much better suited to the complex shapes involved in a gun frame (or slide).