Investment casting, using the lost wax process, to produce firearms parts, may not have been pioneered by Ruger but it was certainly perfected by them. Other companies also used the process. Dan Wesson, Uberti, and a host of others. Most of Martin Hagn's fine single shot rifles start life as a casting.
I've worked a bit with Rugers of all types. I LIKE the angled guard screw on the 77 and, while I might not like every aspect of every design, on the whole, they make sound, reliable guns of all types. WH
